Home / 6,209.91-9,316.26-3,287.61

Finding the Fourth Proportional to 6,209.91, 9,316.26 and 3,287.61

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Solution

The fourth proportional to 6,209.91, 9,316.26 and 3,287.61 is: 4,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.91 : 9,316.26 = 3,287.61 : x
  2. Step 2: Convert to fraction form
    6,209.91/9,316.26 = 3,287.61/x
  3. Step 3: Cross multiply
    6,209.91x = 9,316.26 × 3,287.61
  4. Step 4: Simplify right side
    6,209.91x = 30,628,229.54
  5. Step 5: Solve for x
    x = 30,628,229.54/6,209.91
  6. Step 6: Final answer
    x = 4,932.15

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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.