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Finding the Fourth Proportional to 8,092.67, 12,139.66 and 2,249.28

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Solution

The fourth proportional to 8,092.67, 12,139.66 and 2,249.28 is: 3,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092.67 : 12,139.66 = 2,249.28 : x
  2. Step 2: Convert to fraction form
    8,092.67/12,139.66 = 2,249.28/x
  3. Step 3: Cross multiply
    8,092.67x = 12,139.66 × 2,249.28
  4. Step 4: Simplify right side
    8,092.67x = 27,305,494.44
  5. Step 5: Solve for x
    x = 27,305,494.44/8,092.67
  6. Step 6: Final answer
    x = 3,374.10

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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.