Home / 8,028.60-12,048.82-3,811.87

Finding the Fourth Proportional to 8,028.60, 12,048.82 and 3,811.87

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Solution

The fourth proportional to 8,028.60, 12,048.82 and 3,811.87 is: 5,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.60 : 12,048.82 = 3,811.87 : x
  2. Step 2: Convert to fraction form
    8,028.60/12,048.82 = 3,811.87/x
  3. Step 3: Cross multiply
    8,028.60x = 12,048.82 × 3,811.87
  4. Step 4: Simplify right side
    8,028.60x = 45,928,507.14
  5. Step 5: Solve for x
    x = 45,928,507.14/8,028.60
  6. Step 6: Final answer
    x = 5,720.61

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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.