Home / 8,251.99-12,381.23-3,631.75

Finding the Fourth Proportional to 8,251.99, 12,381.23 and 3,631.75

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Solution

The fourth proportional to 8,251.99, 12,381.23 and 3,631.75 is: 5,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.99 : 12,381.23 = 3,631.75 : x
  2. Step 2: Convert to fraction form
    8,251.99/12,381.23 = 3,631.75/x
  3. Step 3: Cross multiply
    8,251.99x = 12,381.23 × 3,631.75
  4. Step 4: Simplify right side
    8,251.99x = 44,965,532.05
  5. Step 5: Solve for x
    x = 44,965,532.05/8,251.99
  6. Step 6: Final answer
    x = 5,449.05

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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.