Home / 8,540.38-12,811.23-3,277.92

Finding the Fourth Proportional to 8,540.38, 12,811.23 and 3,277.92

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Solution

The fourth proportional to 8,540.38, 12,811.23 and 3,277.92 is: 4,917.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.38 : 12,811.23 = 3,277.92 : x
  2. Step 2: Convert to fraction form
    8,540.38/12,811.23 = 3,277.92/x
  3. Step 3: Cross multiply
    8,540.38x = 12,811.23 × 3,277.92
  4. Step 4: Simplify right side
    8,540.38x = 41,994,187.04
  5. Step 5: Solve for x
    x = 41,994,187.04/8,540.38
  6. Step 6: Final answer
    x = 4,917.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.