Home / 4,243.91-6,367.38-2,164.43

Finding the Fourth Proportional to 4,243.91, 6,367.38 and 2,164.43

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Solution

The fourth proportional to 4,243.91, 6,367.38 and 2,164.43 is: 3,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.91 : 6,367.38 = 2,164.43 : x
  2. Step 2: Convert to fraction form
    4,243.91/6,367.38 = 2,164.43/x
  3. Step 3: Cross multiply
    4,243.91x = 6,367.38 × 2,164.43
  4. Step 4: Simplify right side
    4,243.91x = 13,781,756.10
  5. Step 5: Solve for x
    x = 13,781,756.10/4,243.91
  6. Step 6: Final answer
    x = 3,247.42

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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.