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Finding the Fourth Proportional to 8,405.98, 12,608.97 and 2,562.59

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Solution

The fourth proportional to 8,405.98, 12,608.97 and 2,562.59 is: 3,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405.98 : 12,608.97 = 2,562.59 : x
  2. Step 2: Convert to fraction form
    8,405.98/12,608.97 = 2,562.59/x
  3. Step 3: Cross multiply
    8,405.98x = 12,608.97 × 2,562.59
  4. Step 4: Simplify right side
    8,405.98x = 32,311,571.42
  5. Step 5: Solve for x
    x = 32,311,571.42/8,405.98
  6. Step 6: Final answer
    x = 3,843.88

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Similar ratio
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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.