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Finding the Fourth Proportional to 6,735.60, 10,108.25 and 3,819.60

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Solution

The fourth proportional to 6,735.60, 10,108.25 and 3,819.60 is: 5,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,735.60 : 10,108.25 = 3,819.60 : x
  2. Step 2: Convert to fraction form
    6,735.60/10,108.25 = 3,819.60/x
  3. Step 3: Cross multiply
    6,735.60x = 10,108.25 × 3,819.60
  4. Step 4: Simplify right side
    6,735.60x = 38,609,471.70
  5. Step 5: Solve for x
    x = 38,609,471.70/6,735.60
  6. Step 6: Final answer
    x = 5,732.15

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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.