Home / 6,931.70-9,565.73-3,787.91

Finding the Fourth Proportional to 6,931.70, 9,565.73 and 3,787.91

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Solution

The fourth proportional to 6,931.70, 9,565.73 and 3,787.91 is: 5,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.70 : 9,565.73 = 3,787.91 : x
  2. Step 2: Convert to fraction form
    6,931.70/9,565.73 = 3,787.91/x
  3. Step 3: Cross multiply
    6,931.70x = 9,565.73 × 3,787.91
  4. Step 4: Simplify right side
    6,931.70x = 36,234,057.56
  5. Step 5: Solve for x
    x = 36,234,057.56/6,931.70
  6. Step 6: Final answer
    x = 5,227.30

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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.