Home / 8,141.20-12,211.78-2,297.04

Finding the Fourth Proportional to 8,141.20, 12,211.78 and 2,297.04

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Solution

The fourth proportional to 8,141.20, 12,211.78 and 2,297.04 is: 3,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.20 : 12,211.78 = 2,297.04 : x
  2. Step 2: Convert to fraction form
    8,141.20/12,211.78 = 2,297.04/x
  3. Step 3: Cross multiply
    8,141.20x = 12,211.78 × 2,297.04
  4. Step 4: Simplify right side
    8,141.20x = 28,050,947.13
  5. Step 5: Solve for x
    x = 28,050,947.13/8,141.20
  6. Step 6: Final answer
    x = 3,445.55

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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.