Home / 6,931.24-9,565.13-3,947.09

Finding the Fourth Proportional to 6,931.24, 9,565.13 and 3,947.09

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Solution

The fourth proportional to 6,931.24, 9,565.13 and 3,947.09 is: 5,446.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.24 : 9,565.13 = 3,947.09 : x
  2. Step 2: Convert to fraction form
    6,931.24/9,565.13 = 3,947.09/x
  3. Step 3: Cross multiply
    6,931.24x = 9,565.13 × 3,947.09
  4. Step 4: Simplify right side
    6,931.24x = 37,754,391.01
  5. Step 5: Solve for x
    x = 37,754,391.01/6,931.24
  6. Step 6: Final answer
    x = 5,446.99

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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.