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Finding the Fourth Proportional to 6,644.08, 9,961.02 and 4,306.42

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Solution

The fourth proportional to 6,644.08, 9,961.02 and 4,306.42 is: 6,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.08 : 9,961.02 = 4,306.42 : x
  2. Step 2: Convert to fraction form
    6,644.08/9,961.02 = 4,306.42/x
  3. Step 3: Cross multiply
    6,644.08x = 9,961.02 × 4,306.42
  4. Step 4: Simplify right side
    6,644.08x = 42,896,335.75
  5. Step 5: Solve for x
    x = 42,896,335.75/6,644.08
  6. Step 6: Final answer
    x = 6,456.32

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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.