Home / 5,458.18-8,179.17-2,819.74

Finding the Fourth Proportional to 5,458.18, 8,179.17 and 2,819.74

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Solution

The fourth proportional to 5,458.18, 8,179.17 and 2,819.74 is: 4,225.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.18 : 8,179.17 = 2,819.74 : x
  2. Step 2: Convert to fraction form
    5,458.18/8,179.17 = 2,819.74/x
  3. Step 3: Cross multiply
    5,458.18x = 8,179.17 × 2,819.74
  4. Step 4: Simplify right side
    5,458.18x = 23,063,132.82
  5. Step 5: Solve for x
    x = 23,063,132.82/5,458.18
  6. Step 6: Final answer
    x = 4,225.43

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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.