Home / 5,542.83-7,654.50-3,861.88

Finding the Fourth Proportional to 5,542.83, 7,654.50 and 3,861.88

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Solution

The fourth proportional to 5,542.83, 7,654.50 and 3,861.88 is: 5,333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542.83 : 7,654.50 = 3,861.88 : x
  2. Step 2: Convert to fraction form
    5,542.83/7,654.50 = 3,861.88/x
  3. Step 3: Cross multiply
    5,542.83x = 7,654.50 × 3,861.88
  4. Step 4: Simplify right side
    5,542.83x = 29,560,741.32
  5. Step 5: Solve for x
    x = 29,560,741.32/5,542.83
  6. Step 6: Final answer
    x = 5,333.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.