Home / 5,083.72-7,618.70-3,231.88

Finding the Fourth Proportional to 5,083.72, 7,618.70 and 3,231.88

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Solution

The fourth proportional to 5,083.72, 7,618.70 and 3,231.88 is: 4,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.72 : 7,618.70 = 3,231.88 : x
  2. Step 2: Convert to fraction form
    5,083.72/7,618.70 = 3,231.88/x
  3. Step 3: Cross multiply
    5,083.72x = 7,618.70 × 3,231.88
  4. Step 4: Simplify right side
    5,083.72x = 24,622,724.16
  5. Step 5: Solve for x
    x = 24,622,724.16/5,083.72
  6. Step 6: Final answer
    x = 4,843.45

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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.