Home / 8,439.98-12,659.97-2,284.46

Finding the Fourth Proportional to 8,439.98, 12,659.97 and 2,284.46

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Solution

The fourth proportional to 8,439.98, 12,659.97 and 2,284.46 is: 3,426.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.98 : 12,659.97 = 2,284.46 : x
  2. Step 2: Convert to fraction form
    8,439.98/12,659.97 = 2,284.46/x
  3. Step 3: Cross multiply
    8,439.98x = 12,659.97 × 2,284.46
  4. Step 4: Simplify right side
    8,439.98x = 28,921,195.07
  5. Step 5: Solve for x
    x = 28,921,195.07/8,439.98
  6. Step 6: Final answer
    x = 3,426.69

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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.