Home / 8,269.78-12,405.26-2,723.18

Finding the Fourth Proportional to 8,269.78, 12,405.26 and 2,723.18

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Solution

The fourth proportional to 8,269.78, 12,405.26 and 2,723.18 is: 4,084.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.78 : 12,405.26 = 2,723.18 : x
  2. Step 2: Convert to fraction form
    8,269.78/12,405.26 = 2,723.18/x
  3. Step 3: Cross multiply
    8,269.78x = 12,405.26 × 2,723.18
  4. Step 4: Simplify right side
    8,269.78x = 33,781,755.93
  5. Step 5: Solve for x
    x = 33,781,755.93/8,269.78
  6. Step 6: Final answer
    x = 4,084.96

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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.