Home / 7,451.38-11,166.13-3,748.52

Finding the Fourth Proportional to 7,451.38, 11,166.13 and 3,748.52

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Solution

The fourth proportional to 7,451.38, 11,166.13 and 3,748.52 is: 5,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.38 : 11,166.13 = 3,748.52 : x
  2. Step 2: Convert to fraction form
    7,451.38/11,166.13 = 3,748.52/x
  3. Step 3: Cross multiply
    7,451.38x = 11,166.13 × 3,748.52
  4. Step 4: Simplify right side
    7,451.38x = 41,856,461.63
  5. Step 5: Solve for x
    x = 41,856,461.63/7,451.38
  6. Step 6: Final answer
    x = 5,617.28

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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.