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Finding the Fourth Proportional to 6,600.07, 9,108.10 and 3,615.92

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Solution

The fourth proportional to 6,600.07, 9,108.10 and 3,615.92 is: 4,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.07 : 9,108.10 = 3,615.92 : x
  2. Step 2: Convert to fraction form
    6,600.07/9,108.10 = 3,615.92/x
  3. Step 3: Cross multiply
    6,600.07x = 9,108.10 × 3,615.92
  4. Step 4: Simplify right side
    6,600.07x = 32,934,160.95
  5. Step 5: Solve for x
    x = 32,934,160.95/6,600.07
  6. Step 6: Final answer
    x = 4,989.97

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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.