Home / 5,691.27-8,541.23-2,228.79

Finding the Fourth Proportional to 5,691.27, 8,541.23 and 2,228.79

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Solution

The fourth proportional to 5,691.27, 8,541.23 and 2,228.79 is: 3,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.27 : 8,541.23 = 2,228.79 : x
  2. Step 2: Convert to fraction form
    5,691.27/8,541.23 = 2,228.79/x
  3. Step 3: Cross multiply
    5,691.27x = 8,541.23 × 2,228.79
  4. Step 4: Simplify right side
    5,691.27x = 19,036,596.87
  5. Step 5: Solve for x
    x = 19,036,596.87/5,691.27
  6. Step 6: Final answer
    x = 3,344.88

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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.