Home / 6,931.73-9,565.34-3,787.92

Finding the Fourth Proportional to 6,931.73, 9,565.34 and 3,787.92

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Solution

The fourth proportional to 6,931.73, 9,565.34 and 3,787.92 is: 5,227.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.73 : 9,565.34 = 3,787.92 : x
  2. Step 2: Convert to fraction form
    6,931.73/9,565.34 = 3,787.92/x
  3. Step 3: Cross multiply
    6,931.73x = 9,565.34 × 3,787.92
  4. Step 4: Simplify right side
    6,931.73x = 36,232,742.69
  5. Step 5: Solve for x
    x = 36,232,742.69/6,931.73
  6. Step 6: Final answer
    x = 5,227.09

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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.