Home / 7,415.64-11,125.56-3,713.40

Finding the Fourth Proportional to 7,415.64, 11,125.56 and 3,713.40

Calculator

Solution

The fourth proportional to 7,415.64, 11,125.56 and 3,713.40 is: 5,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.64 : 11,125.56 = 3,713.40 : x
  2. Step 2: Convert to fraction form
    7,415.64/11,125.56 = 3,713.40/x
  3. Step 3: Cross multiply
    7,415.64x = 11,125.56 × 3,713.40
  4. Step 4: Simplify right side
    7,415.64x = 41,313,654.50
  5. Step 5: Solve for x
    x = 41,313,654.50/7,415.64
  6. Step 6: Final answer
    x = 5,571.15

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.