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Finding the Fourth Proportional to 8,092.44, 12,139.88 and 2,544.55

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Solution

The fourth proportional to 8,092.44, 12,139.88 and 2,544.55 is: 3,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092.44 : 12,139.88 = 2,544.55 : x
  2. Step 2: Convert to fraction form
    8,092.44/12,139.88 = 2,544.55/x
  3. Step 3: Cross multiply
    8,092.44x = 12,139.88 × 2,544.55
  4. Step 4: Simplify right side
    8,092.44x = 30,890,488.58
  5. Step 5: Solve for x
    x = 30,890,488.58/8,092.44
  6. Step 6: Final answer
    x = 3,817.20

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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.