3.69 is what percent of 86.4 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 86.4 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 86.4, so we can write it down as 100%=86.4.
4. We know, that x% equals 3.69 of the output value, so we can write it down as x%=3.69.
5. Now we have two simple equations:
1) 100%=86.4
2) x%=3.69
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=86.4/3.69
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 3.69 is what percent of 86.4

100%/x%=86.4/3.69
(100/x)*x=(86.4/3.69)*x       - we multiply both sides of the equation by x
100=23.414634146341*x       - we divide both sides of the equation by (23.414634146341) to get x
100/23.414634146341=x
4.2708333333333=x
x=4.2708333333333

now we have:
3.69 is 4.2708333333333% of 86.4