Home / 8,819.31-13,229.37-2,245.55

Finding the Fourth Proportional to 8,819.31, 13,229.37 and 2,245.55

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Solution

The fourth proportional to 8,819.31, 13,229.37 and 2,245.55 is: 3,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.31 : 13,229.37 = 2,245.55 : x
  2. Step 2: Convert to fraction form
    8,819.31/13,229.37 = 2,245.55/x
  3. Step 3: Cross multiply
    8,819.31x = 13,229.37 × 2,245.55
  4. Step 4: Simplify right side
    8,819.31x = 29,707,211.80
  5. Step 5: Solve for x
    x = 29,707,211.80/8,819.31
  6. Step 6: Final answer
    x = 3,368.43

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1.5x scale

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.