Home / 4,479-6,181.38-2,616.36

Finding the Fourth Proportional to 4,479, 6,181.38 and 2,616.36

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Solution

The fourth proportional to 4,479, 6,181.38 and 2,616.36 is: 3,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479 : 6,181.38 = 2,616.36 : x
  2. Step 2: Convert to fraction form
    4,479/6,181.38 = 2,616.36/x
  3. Step 3: Cross multiply
    4,479x = 6,181.38 × 2,616.36
  4. Step 4: Simplify right side
    4,479x = 16,172,715.38
  5. Step 5: Solve for x
    x = 16,172,715.38/4,479
  6. Step 6: Final answer
    x = 3,610.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.