Home / 4,479.29-6,181.64-2,489.88

Finding the Fourth Proportional to 4,479.29, 6,181.64 and 2,489.88

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Solution

The fourth proportional to 4,479.29, 6,181.64 and 2,489.88 is: 3,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.29 : 6,181.64 = 2,489.88 : x
  2. Step 2: Convert to fraction form
    4,479.29/6,181.64 = 2,489.88/x
  3. Step 3: Cross multiply
    4,479.29x = 6,181.64 × 2,489.88
  4. Step 4: Simplify right side
    4,479.29x = 15,391,557.20
  5. Step 5: Solve for x
    x = 15,391,557.20/4,479.29
  6. Step 6: Final answer
    x = 3,436.16

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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.