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Finding the Fourth Proportional to 8,992.92, 13,484.08 and 3,446.68

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Solution

The fourth proportional to 8,992.92, 13,484.08 and 3,446.68 is: 5,167.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.92 : 13,484.08 = 3,446.68 : x
  2. Step 2: Convert to fraction form
    8,992.92/13,484.08 = 3,446.68/x
  3. Step 3: Cross multiply
    8,992.92x = 13,484.08 × 3,446.68
  4. Step 4: Simplify right side
    8,992.92x = 46,475,308.85
  5. Step 5: Solve for x
    x = 46,475,308.85/8,992.92
  6. Step 6: Final answer
    x = 5,167.99

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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.