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Finding the Fourth Proportional to 6,657.38, 9,987.51 and 3,327.44

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Solution

The fourth proportional to 6,657.38, 9,987.51 and 3,327.44 is: 4,991.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.38 : 9,987.51 = 3,327.44 : x
  2. Step 2: Convert to fraction form
    6,657.38/9,987.51 = 3,327.44/x
  3. Step 3: Cross multiply
    6,657.38x = 9,987.51 × 3,327.44
  4. Step 4: Simplify right side
    6,657.38x = 33,232,840.27
  5. Step 5: Solve for x
    x = 33,232,840.27/6,657.38
  6. Step 6: Final answer
    x = 4,991.88

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Similar ratio
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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.