Home / 5,126.32-7,676.46-3,279.52

Finding the Fourth Proportional to 5,126.32, 7,676.46 and 3,279.52

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Solution

The fourth proportional to 5,126.32, 7,676.46 and 3,279.52 is: 4,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.32 : 7,676.46 = 3,279.52 : x
  2. Step 2: Convert to fraction form
    5,126.32/7,676.46 = 3,279.52/x
  3. Step 3: Cross multiply
    5,126.32x = 7,676.46 × 3,279.52
  4. Step 4: Simplify right side
    5,126.32x = 25,175,104.10
  5. Step 5: Solve for x
    x = 25,175,104.10/5,126.32
  6. Step 6: Final answer
    x = 4,910.95

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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.