Home / 8,873.40-13,305.30-3,679.80

Finding the Fourth Proportional to 8,873.40, 13,305.30 and 3,679.80

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Solution

The fourth proportional to 8,873.40, 13,305.30 and 3,679.80 is: 5,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.40 : 13,305.30 = 3,679.80 : x
  2. Step 2: Convert to fraction form
    8,873.40/13,305.30 = 3,679.80/x
  3. Step 3: Cross multiply
    8,873.40x = 13,305.30 × 3,679.80
  4. Step 4: Simplify right side
    8,873.40x = 48,960,842.94
  5. Step 5: Solve for x
    x = 48,960,842.94/8,873.40
  6. Step 6: Final answer
    x = 5,517.71

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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.