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Finding the Fourth Proportional to 6,630.39, 9,945.59 and 2,247.89

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Solution

The fourth proportional to 6,630.39, 9,945.59 and 2,247.89 is: 3,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.39 : 9,945.59 = 2,247.89 : x
  2. Step 2: Convert to fraction form
    6,630.39/9,945.59 = 2,247.89/x
  3. Step 3: Cross multiply
    6,630.39x = 9,945.59 × 2,247.89
  4. Step 4: Simplify right side
    6,630.39x = 22,356,531.34
  5. Step 5: Solve for x
    x = 22,356,531.34/6,630.39
  6. Step 6: Final answer
    x = 3,371.83

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Double scale
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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.