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Finding the Fourth Proportional to 8,674.30, 12,997.82 and 6,704.75

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Solution

The fourth proportional to 8,674.30, 12,997.82 and 6,704.75 is: 10,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.30 : 12,997.82 = 6,704.75 : x
  2. Step 2: Convert to fraction form
    8,674.30/12,997.82 = 6,704.75/x
  3. Step 3: Cross multiply
    8,674.30x = 12,997.82 × 6,704.75
  4. Step 4: Simplify right side
    8,674.30x = 87,147,133.65
  5. Step 5: Solve for x
    x = 87,147,133.65/8,674.30
  6. Step 6: Final answer
    x = 10,046.59

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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.