Home / 5,318.52-7,976.16-2,543.73

Finding the Fourth Proportional to 5,318.52, 7,976.16 and 2,543.73

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Solution

The fourth proportional to 5,318.52, 7,976.16 and 2,543.73 is: 3,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.52 : 7,976.16 = 2,543.73 : x
  2. Step 2: Convert to fraction form
    5,318.52/7,976.16 = 2,543.73/x
  3. Step 3: Cross multiply
    5,318.52x = 7,976.16 × 2,543.73
  4. Step 4: Simplify right side
    5,318.52x = 20,289,197.48
  5. Step 5: Solve for x
    x = 20,289,197.48/5,318.52
  6. Step 6: Final answer
    x = 3,814.82

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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.