Home / 4,198.90-6,286.20-3,163.27

Finding the Fourth Proportional to 4,198.90, 6,286.20 and 3,163.27

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Solution

The fourth proportional to 4,198.90, 6,286.20 and 3,163.27 is: 4,735.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.90 : 6,286.20 = 3,163.27 : x
  2. Step 2: Convert to fraction form
    4,198.90/6,286.20 = 3,163.27/x
  3. Step 3: Cross multiply
    4,198.90x = 6,286.20 × 3,163.27
  4. Step 4: Simplify right side
    4,198.90x = 19,884,947.87
  5. Step 5: Solve for x
    x = 19,884,947.87/4,198.90
  6. Step 6: Final answer
    x = 4,735.75

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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.