Home / 5,116.27-7,672.78-2,193.79

Finding the Fourth Proportional to 5,116.27, 7,672.78 and 2,193.79

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Solution

The fourth proportional to 5,116.27, 7,672.78 and 2,193.79 is: 3,289.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.27 : 7,672.78 = 2,193.79 : x
  2. Step 2: Convert to fraction form
    5,116.27/7,672.78 = 2,193.79/x
  3. Step 3: Cross multiply
    5,116.27x = 7,672.78 × 2,193.79
  4. Step 4: Simplify right side
    5,116.27x = 16,832,468.04
  5. Step 5: Solve for x
    x = 16,832,468.04/5,116.27
  6. Step 6: Final answer
    x = 3,289.99

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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.