Home / 8,748.91-13,123.37-3,199.85

Finding the Fourth Proportional to 8,748.91, 13,123.37 and 3,199.85

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Solution

The fourth proportional to 8,748.91, 13,123.37 and 3,199.85 is: 4,799.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.91 : 13,123.37 = 3,199.85 : x
  2. Step 2: Convert to fraction form
    8,748.91/13,123.37 = 3,199.85/x
  3. Step 3: Cross multiply
    8,748.91x = 13,123.37 × 3,199.85
  4. Step 4: Simplify right side
    8,748.91x = 41,992,862.91
  5. Step 5: Solve for x
    x = 41,992,862.91/8,748.91
  6. Step 6: Final answer
    x = 4,799.78

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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.