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Finding the Fourth Proportional to 4,249.80, 6,375.50 and 1,327.88

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Solution

The fourth proportional to 4,249.80, 6,375.50 and 1,327.88 is: 1,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.80 : 6,375.50 = 1,327.88 : x
  2. Step 2: Convert to fraction form
    4,249.80/6,375.50 = 1,327.88/x
  3. Step 3: Cross multiply
    4,249.80x = 6,375.50 × 1,327.88
  4. Step 4: Simplify right side
    4,249.80x = 8,465,898.94
  5. Step 5: Solve for x
    x = 8,465,898.94/4,249.80
  6. Step 6: Final answer
    x = 1,992.07

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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.