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Finding the Fourth Proportional to 8,793.39, 12,132.91 and 5,206.55

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Solution

The fourth proportional to 8,793.39, 12,132.91 and 5,206.55 is: 7,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.39 : 12,132.91 = 5,206.55 : x
  2. Step 2: Convert to fraction form
    8,793.39/12,132.91 = 5,206.55/x
  3. Step 3: Cross multiply
    8,793.39x = 12,132.91 × 5,206.55
  4. Step 4: Simplify right side
    8,793.39x = 63,170,665.42
  5. Step 5: Solve for x
    x = 63,170,665.42/8,793.39
  6. Step 6: Final answer
    x = 7,183.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.