Home / 8,254.62-12,382.34-2,705.72

Finding the Fourth Proportional to 8,254.62, 12,382.34 and 2,705.72

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Solution

The fourth proportional to 8,254.62, 12,382.34 and 2,705.72 is: 4,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.62 : 12,382.34 = 2,705.72 : x
  2. Step 2: Convert to fraction form
    8,254.62/12,382.34 = 2,705.72/x
  3. Step 3: Cross multiply
    8,254.62x = 12,382.34 × 2,705.72
  4. Step 4: Simplify right side
    8,254.62x = 33,503,069.54
  5. Step 5: Solve for x
    x = 33,503,069.54/8,254.62
  6. Step 6: Final answer
    x = 4,058.71

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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.