Home / 5,229.75-7,843.72-1,531.90

Finding the Fourth Proportional to 5,229.75, 7,843.72 and 1,531.90

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Solution

The fourth proportional to 5,229.75, 7,843.72 and 1,531.90 is: 2,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.75 : 7,843.72 = 1,531.90 : x
  2. Step 2: Convert to fraction form
    5,229.75/7,843.72 = 1,531.90/x
  3. Step 3: Cross multiply
    5,229.75x = 7,843.72 × 1,531.90
  4. Step 4: Simplify right side
    5,229.75x = 12,015,794.67
  5. Step 5: Solve for x
    x = 12,015,794.67/5,229.75
  6. Step 6: Final answer
    x = 2,297.58

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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.