Home / 8,290.74-12,432.44-3,359.04

Finding the Fourth Proportional to 8,290.74, 12,432.44 and 3,359.04

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Solution

The fourth proportional to 8,290.74, 12,432.44 and 3,359.04 is: 5,037.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.74 : 12,432.44 = 3,359.04 : x
  2. Step 2: Convert to fraction form
    8,290.74/12,432.44 = 3,359.04/x
  3. Step 3: Cross multiply
    8,290.74x = 12,432.44 × 3,359.04
  4. Step 4: Simplify right side
    8,290.74x = 41,761,063.26
  5. Step 5: Solve for x
    x = 41,761,063.26/8,290.74
  6. Step 6: Final answer
    x = 5,037.07

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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.