Home / 8,020.44-12,028.80-3,857.85

Finding the Fourth Proportional to 8,020.44, 12,028.80 and 3,857.85

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Solution

The fourth proportional to 8,020.44, 12,028.80 and 3,857.85 is: 5,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.44 : 12,028.80 = 3,857.85 : x
  2. Step 2: Convert to fraction form
    8,020.44/12,028.80 = 3,857.85/x
  3. Step 3: Cross multiply
    8,020.44x = 12,028.80 × 3,857.85
  4. Step 4: Simplify right side
    8,020.44x = 46,405,306.08
  5. Step 5: Solve for x
    x = 46,405,306.08/8,020.44
  6. Step 6: Final answer
    x = 5,785.88

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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.