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Finding the Fourth Proportional to 7,658.97, 11,489.54 and 2,727.56

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Solution

The fourth proportional to 7,658.97, 11,489.54 and 2,727.56 is: 4,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.97 : 11,489.54 = 2,727.56 : x
  2. Step 2: Convert to fraction form
    7,658.97/11,489.54 = 2,727.56/x
  3. Step 3: Cross multiply
    7,658.97x = 11,489.54 × 2,727.56
  4. Step 4: Simplify right side
    7,658.97x = 31,338,409.72
  5. Step 5: Solve for x
    x = 31,338,409.72/7,658.97
  6. Step 6: Final answer
    x = 4,091.73

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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.