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Finding the Fourth Proportional to 6,100.61, 8,418.85 and 3,306.11

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Solution

The fourth proportional to 6,100.61, 8,418.85 and 3,306.11 is: 4,562.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,100.61 : 8,418.85 = 3,306.11 : x
  2. Step 2: Convert to fraction form
    6,100.61/8,418.85 = 3,306.11/x
  3. Step 3: Cross multiply
    6,100.61x = 8,418.85 × 3,306.11
  4. Step 4: Simplify right side
    6,100.61x = 27,833,593.81
  5. Step 5: Solve for x
    x = 27,833,593.81/6,100.61
  6. Step 6: Final answer
    x = 4,562.43

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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.