Home / 5,149.26-7,722.68-2,229.75

Finding the Fourth Proportional to 5,149.26, 7,722.68 and 2,229.75

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Solution

The fourth proportional to 5,149.26, 7,722.68 and 2,229.75 is: 3,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.26 : 7,722.68 = 2,229.75 : x
  2. Step 2: Convert to fraction form
    5,149.26/7,722.68 = 2,229.75/x
  3. Step 3: Cross multiply
    5,149.26x = 7,722.68 × 2,229.75
  4. Step 4: Simplify right side
    5,149.26x = 17,219,634.58
  5. Step 5: Solve for x
    x = 17,219,634.58/5,149.26
  6. Step 6: Final answer
    x = 3,344.10

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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.