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Finding the Fourth Proportional to 8,791.22, 13,191.98 and 3,248.44

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Solution

The fourth proportional to 8,791.22, 13,191.98 and 3,248.44 is: 4,874.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.22 : 13,191.98 = 3,248.44 : x
  2. Step 2: Convert to fraction form
    8,791.22/13,191.98 = 3,248.44/x
  3. Step 3: Cross multiply
    8,791.22x = 13,191.98 × 3,248.44
  4. Step 4: Simplify right side
    8,791.22x = 42,853,306.29
  5. Step 5: Solve for x
    x = 42,853,306.29/8,791.22
  6. Step 6: Final answer
    x = 4,874.56

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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.