Home / 4,479.25-6,181.47-2,489.89

Finding the Fourth Proportional to 4,479.25, 6,181.47 and 2,489.89

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Solution

The fourth proportional to 4,479.25, 6,181.47 and 2,489.89 is: 3,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.25 : 6,181.47 = 2,489.89 : x
  2. Step 2: Convert to fraction form
    4,479.25/6,181.47 = 2,489.89/x
  3. Step 3: Cross multiply
    4,479.25x = 6,181.47 × 2,489.89
  4. Step 4: Simplify right side
    4,479.25x = 15,391,180.34
  5. Step 5: Solve for x
    x = 15,391,180.34/4,479.25
  6. Step 6: Final answer
    x = 3,436.11

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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.