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Finding the Fourth Proportional to 6,657.44, 9,983.57 and 2,213.73

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Solution

The fourth proportional to 6,657.44, 9,983.57 and 2,213.73 is: 3,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.44 : 9,983.57 = 2,213.73 : x
  2. Step 2: Convert to fraction form
    6,657.44/9,983.57 = 2,213.73/x
  3. Step 3: Cross multiply
    6,657.44x = 9,983.57 × 2,213.73
  4. Step 4: Simplify right side
    6,657.44x = 22,100,917.35
  5. Step 5: Solve for x
    x = 22,100,917.35/6,657.44
  6. Step 6: Final answer
    x = 3,319.73

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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.