Home / 5,251.95-7,871.18-2,327.85

Finding the Fourth Proportional to 5,251.95, 7,871.18 and 2,327.85

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Solution

The fourth proportional to 5,251.95, 7,871.18 and 2,327.85 is: 3,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.95 : 7,871.18 = 2,327.85 : x
  2. Step 2: Convert to fraction form
    5,251.95/7,871.18 = 2,327.85/x
  3. Step 3: Cross multiply
    5,251.95x = 7,871.18 × 2,327.85
  4. Step 4: Simplify right side
    5,251.95x = 18,322,914.72
  5. Step 5: Solve for x
    x = 18,322,914.72/5,251.95
  6. Step 6: Final answer
    x = 3,488.78

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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.