Home / 5,489.28-8,231.40-2,367.79

Finding the Fourth Proportional to 5,489.28, 8,231.40 and 2,367.79

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Solution

The fourth proportional to 5,489.28, 8,231.40 and 2,367.79 is: 3,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.28 : 8,231.40 = 2,367.79 : x
  2. Step 2: Convert to fraction form
    5,489.28/8,231.40 = 2,367.79/x
  3. Step 3: Cross multiply
    5,489.28x = 8,231.40 × 2,367.79
  4. Step 4: Simplify right side
    5,489.28x = 19,490,226.61
  5. Step 5: Solve for x
    x = 19,490,226.61/5,489.28
  6. Step 6: Final answer
    x = 3,550.60

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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.