Home / 4,479.41-6,181.54-2,489.92

Finding the Fourth Proportional to 4,479.41, 6,181.54 and 2,489.92

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Solution

The fourth proportional to 4,479.41, 6,181.54 and 2,489.92 is: 3,436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.41 : 6,181.54 = 2,489.92 : x
  2. Step 2: Convert to fraction form
    4,479.41/6,181.54 = 2,489.92/x
  3. Step 3: Cross multiply
    4,479.41x = 6,181.54 × 2,489.92
  4. Step 4: Simplify right side
    4,479.41x = 15,391,540.08
  5. Step 5: Solve for x
    x = 15,391,540.08/4,479.41
  6. Step 6: Final answer
    x = 3,436.06

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1.5x scale

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.