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Finding the Fourth Proportional to 8,939.54, 13,401.08 and 3,092.05

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Solution

The fourth proportional to 8,939.54, 13,401.08 and 3,092.05 is: 4,635.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.54 : 13,401.08 = 3,092.05 : x
  2. Step 2: Convert to fraction form
    8,939.54/13,401.08 = 3,092.05/x
  3. Step 3: Cross multiply
    8,939.54x = 13,401.08 × 3,092.05
  4. Step 4: Simplify right side
    8,939.54x = 41,436,775.91
  5. Step 5: Solve for x
    x = 41,436,775.91/8,939.54
  6. Step 6: Final answer
    x = 4,635.23

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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.