Home / 6,338.43-9,511.25-3,218.61

Finding the Fourth Proportional to 6,338.43, 9,511.25 and 3,218.61

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Solution

The fourth proportional to 6,338.43, 9,511.25 and 3,218.61 is: 4,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.43 : 9,511.25 = 3,218.61 : x
  2. Step 2: Convert to fraction form
    6,338.43/9,511.25 = 3,218.61/x
  3. Step 3: Cross multiply
    6,338.43x = 9,511.25 × 3,218.61
  4. Step 4: Simplify right side
    6,338.43x = 30,613,006.24
  5. Step 5: Solve for x
    x = 30,613,006.24/6,338.43
  6. Step 6: Final answer
    x = 4,829.75

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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.