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Finding the Fourth Proportional to 6,657.38, 9,982.98 and 3,884.85

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Solution

The fourth proportional to 6,657.38, 9,982.98 and 3,884.85 is: 5,825.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.38 : 9,982.98 = 3,884.85 : x
  2. Step 2: Convert to fraction form
    6,657.38/9,982.98 = 3,884.85/x
  3. Step 3: Cross multiply
    6,657.38x = 9,982.98 × 3,884.85
  4. Step 4: Simplify right side
    6,657.38x = 38,782,379.85
  5. Step 5: Solve for x
    x = 38,782,379.85/6,657.38
  6. Step 6: Final answer
    x = 5,825.47

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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.