Home / 3,712.91-5,565.71-3,158.87

Finding the Fourth Proportional to 3,712.91, 5,565.71 and 3,158.87

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Solution

The fourth proportional to 3,712.91, 5,565.71 and 3,158.87 is: 4,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.91 : 5,565.71 = 3,158.87 : x
  2. Step 2: Convert to fraction form
    3,712.91/5,565.71 = 3,158.87/x
  3. Step 3: Cross multiply
    3,712.91x = 5,565.71 × 3,158.87
  4. Step 4: Simplify right side
    3,712.91x = 17,581,334.42
  5. Step 5: Solve for x
    x = 17,581,334.42/3,712.91
  6. Step 6: Final answer
    x = 4,735.20

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1.5x scale

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.