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Finding the Fourth Proportional to 10,750.88, 16,120.50 and 3,730.38

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Solution

The fourth proportional to 10,750.88, 16,120.50 and 3,730.38 is: 5,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.88 : 16,120.50 = 3,730.38 : x
  2. Step 2: Convert to fraction form
    10,750.88/16,120.50 = 3,730.38/x
  3. Step 3: Cross multiply
    10,750.88x = 16,120.50 × 3,730.38
  4. Step 4: Simplify right side
    10,750.88x = 60,135,590.79
  5. Step 5: Solve for x
    x = 60,135,590.79/10,750.88
  6. Step 6: Final answer
    x = 5,593.55

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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.