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Finding the Fourth Proportional to 8,169.62, 12,249.16 and 3,492.68

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Solution

The fourth proportional to 8,169.62, 12,249.16 and 3,492.68 is: 5,236.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.62 : 12,249.16 = 3,492.68 : x
  2. Step 2: Convert to fraction form
    8,169.62/12,249.16 = 3,492.68/x
  3. Step 3: Cross multiply
    8,169.62x = 12,249.16 × 3,492.68
  4. Step 4: Simplify right side
    8,169.62x = 42,782,326.17
  5. Step 5: Solve for x
    x = 42,782,326.17/8,169.62
  6. Step 6: Final answer
    x = 5,236.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.