Home / 8,565.28-12,834.66-5,781.04

Finding the Fourth Proportional to 8,565.28, 12,834.66 and 5,781.04

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Solution

The fourth proportional to 8,565.28, 12,834.66 and 5,781.04 is: 8,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.28 : 12,834.66 = 5,781.04 : x
  2. Step 2: Convert to fraction form
    8,565.28/12,834.66 = 5,781.04/x
  3. Step 3: Cross multiply
    8,565.28x = 12,834.66 × 5,781.04
  4. Step 4: Simplify right side
    8,565.28x = 74,197,682.85
  5. Step 5: Solve for x
    x = 74,197,682.85/8,565.28
  6. Step 6: Final answer
    x = 8,662.61

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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.