Home / 5,279.16-7,919.24-1,531.04

Finding the Fourth Proportional to 5,279.16, 7,919.24 and 1,531.04

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Solution

The fourth proportional to 5,279.16, 7,919.24 and 1,531.04 is: 2,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.16 : 7,919.24 = 1,531.04 : x
  2. Step 2: Convert to fraction form
    5,279.16/7,919.24 = 1,531.04/x
  3. Step 3: Cross multiply
    5,279.16x = 7,919.24 × 1,531.04
  4. Step 4: Simplify right side
    5,279.16x = 12,124,673.21
  5. Step 5: Solve for x
    x = 12,124,673.21/5,279.16
  6. Step 6: Final answer
    x = 2,296.71

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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.