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Finding the Fourth Proportional to 6,469.11, 8,917.97 and 4,574.79

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Solution

The fourth proportional to 6,469.11, 8,917.97 and 4,574.79 is: 6,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.11 : 8,917.97 = 4,574.79 : x
  2. Step 2: Convert to fraction form
    6,469.11/8,917.97 = 4,574.79/x
  3. Step 3: Cross multiply
    6,469.11x = 8,917.97 × 4,574.79
  4. Step 4: Simplify right side
    6,469.11x = 40,797,817.10
  5. Step 5: Solve for x
    x = 40,797,817.10/6,469.11
  6. Step 6: Final answer
    x = 6,306.56

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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.