Home / 8,522.28-12,785.55-6,773.88

Finding the Fourth Proportional to 8,522.28, 12,785.55 and 6,773.88

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Solution

The fourth proportional to 8,522.28, 12,785.55 and 6,773.88 is: 10,162.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.28 : 12,785.55 = 6,773.88 : x
  2. Step 2: Convert to fraction form
    8,522.28/12,785.55 = 6,773.88/x
  3. Step 3: Cross multiply
    8,522.28x = 12,785.55 × 6,773.88
  4. Step 4: Simplify right side
    8,522.28x = 86,607,781.43
  5. Step 5: Solve for x
    x = 86,607,781.43/8,522.28
  6. Step 6: Final answer
    x = 10,162.51

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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.