Home / 6,211.62-9,319.05-3,251.54

Finding the Fourth Proportional to 6,211.62, 9,319.05 and 3,251.54

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Solution

The fourth proportional to 6,211.62, 9,319.05 and 3,251.54 is: 4,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.62 : 9,319.05 = 3,251.54 : x
  2. Step 2: Convert to fraction form
    6,211.62/9,319.05 = 3,251.54/x
  3. Step 3: Cross multiply
    6,211.62x = 9,319.05 × 3,251.54
  4. Step 4: Simplify right side
    6,211.62x = 30,301,287.13
  5. Step 5: Solve for x
    x = 30,301,287.13/6,211.62
  6. Step 6: Final answer
    x = 4,878.16

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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.