Home / 5,631.43-8,436.21-2,711.79

Finding the Fourth Proportional to 5,631.43, 8,436.21 and 2,711.79

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Solution

The fourth proportional to 5,631.43, 8,436.21 and 2,711.79 is: 4,062.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.43 : 8,436.21 = 2,711.79 : x
  2. Step 2: Convert to fraction form
    5,631.43/8,436.21 = 2,711.79/x
  3. Step 3: Cross multiply
    5,631.43x = 8,436.21 × 2,711.79
  4. Step 4: Simplify right side
    5,631.43x = 22,877,229.92
  5. Step 5: Solve for x
    x = 22,877,229.92/5,631.43
  6. Step 6: Final answer
    x = 4,062.42

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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.