Home / 4,819.35-7,229.61-1,531.29

Finding the Fourth Proportional to 4,819.35, 7,229.61 and 1,531.29

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Solution

The fourth proportional to 4,819.35, 7,229.61 and 1,531.29 is: 2,297.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.35 : 7,229.61 = 1,531.29 : x
  2. Step 2: Convert to fraction form
    4,819.35/7,229.61 = 1,531.29/x
  3. Step 3: Cross multiply
    4,819.35x = 7,229.61 × 1,531.29
  4. Step 4: Simplify right side
    4,819.35x = 11,070,629.50
  5. Step 5: Solve for x
    x = 11,070,629.50/4,819.35
  6. Step 6: Final answer
    x = 2,297.12

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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.