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Finding the Fourth Proportional to 6,442.62, 9,662.85 and 2,493.30

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Solution

The fourth proportional to 6,442.62, 9,662.85 and 2,493.30 is: 3,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.62 : 9,662.85 = 2,493.30 : x
  2. Step 2: Convert to fraction form
    6,442.62/9,662.85 = 2,493.30/x
  3. Step 3: Cross multiply
    6,442.62x = 9,662.85 × 2,493.30
  4. Step 4: Simplify right side
    6,442.62x = 24,092,383.91
  5. Step 5: Solve for x
    x = 24,092,383.91/6,442.62
  6. Step 6: Final answer
    x = 3,739.53

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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.