Home / 4,479.39-6,181.56-2,489.97

Finding the Fourth Proportional to 4,479.39, 6,181.56 and 2,489.97

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Solution

The fourth proportional to 4,479.39, 6,181.56 and 2,489.97 is: 3,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.39 : 6,181.56 = 2,489.97 : x
  2. Step 2: Convert to fraction form
    4,479.39/6,181.56 = 2,489.97/x
  3. Step 3: Cross multiply
    4,479.39x = 6,181.56 × 2,489.97
  4. Step 4: Simplify right side
    4,479.39x = 15,391,898.95
  5. Step 5: Solve for x
    x = 15,391,898.95/4,479.39
  6. Step 6: Final answer
    x = 3,436.16

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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.