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Finding the Fourth Proportional to 6,640.73, 9,961.01 and 2,261.24

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Solution

The fourth proportional to 6,640.73, 9,961.01 and 2,261.24 is: 3,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.73 : 9,961.01 = 2,261.24 : x
  2. Step 2: Convert to fraction form
    6,640.73/9,961.01 = 2,261.24/x
  3. Step 3: Cross multiply
    6,640.73x = 9,961.01 × 2,261.24
  4. Step 4: Simplify right side
    6,640.73x = 22,524,222.95
  5. Step 5: Solve for x
    x = 22,524,222.95/6,640.73
  6. Step 6: Final answer
    x = 3,391.83

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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.