Home / 5,723.78-8,582.19-2,760.39

Finding the Fourth Proportional to 5,723.78, 8,582.19 and 2,760.39

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Solution

The fourth proportional to 5,723.78, 8,582.19 and 2,760.39 is: 4,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.78 : 8,582.19 = 2,760.39 : x
  2. Step 2: Convert to fraction form
    5,723.78/8,582.19 = 2,760.39/x
  3. Step 3: Cross multiply
    5,723.78x = 8,582.19 × 2,760.39
  4. Step 4: Simplify right side
    5,723.78x = 23,690,191.45
  5. Step 5: Solve for x
    x = 23,690,191.45/5,723.78
  6. Step 6: Final answer
    x = 4,138.91

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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.