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Finding the Fourth Proportional to 6,630.06, 9,149.65 and 3,645.96

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Solution

The fourth proportional to 6,630.06, 9,149.65 and 3,645.96 is: 5,031.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.06 : 9,149.65 = 3,645.96 : x
  2. Step 2: Convert to fraction form
    6,630.06/9,149.65 = 3,645.96/x
  3. Step 3: Cross multiply
    6,630.06x = 9,149.65 × 3,645.96
  4. Step 4: Simplify right side
    6,630.06x = 33,359,257.91
  5. Step 5: Solve for x
    x = 33,359,257.91/6,630.06
  6. Step 6: Final answer
    x = 5,031.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.