Home / 4,138.62-6,212.01-3,039.90

Finding the Fourth Proportional to 4,138.62, 6,212.01 and 3,039.90

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Solution

The fourth proportional to 4,138.62, 6,212.01 and 3,039.90 is: 4,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.62 : 6,212.01 = 3,039.90 : x
  2. Step 2: Convert to fraction form
    4,138.62/6,212.01 = 3,039.90/x
  3. Step 3: Cross multiply
    4,138.62x = 6,212.01 × 3,039.90
  4. Step 4: Simplify right side
    4,138.62x = 18,883,889.20
  5. Step 5: Solve for x
    x = 18,883,889.20/4,138.62
  6. Step 6: Final answer
    x = 4,562.85

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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.