Home / 6,931.17-9,565.29-3,947.13

Finding the Fourth Proportional to 6,931.17, 9,565.29 and 3,947.13

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Solution

The fourth proportional to 6,931.17, 9,565.29 and 3,947.13 is: 5,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.17 : 9,565.29 = 3,947.13 : x
  2. Step 2: Convert to fraction form
    6,931.17/9,565.29 = 3,947.13/x
  3. Step 3: Cross multiply
    6,931.17x = 9,565.29 × 3,947.13
  4. Step 4: Simplify right side
    6,931.17x = 37,755,443.12
  5. Step 5: Solve for x
    x = 37,755,443.12/6,931.17
  6. Step 6: Final answer
    x = 5,447.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.