Home / 4,479.60-6,181.92-2,490.18

Finding the Fourth Proportional to 4,479.60, 6,181.92 and 2,490.18

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Solution

The fourth proportional to 4,479.60, 6,181.92 and 2,490.18 is: 3,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.60 : 6,181.92 = 2,490.18 : x
  2. Step 2: Convert to fraction form
    4,479.60/6,181.92 = 2,490.18/x
  3. Step 3: Cross multiply
    4,479.60x = 6,181.92 × 2,490.18
  4. Step 4: Simplify right side
    4,479.60x = 15,394,093.55
  5. Step 5: Solve for x
    x = 15,394,093.55/4,479.60
  6. Step 6: Final answer
    x = 3,436.49

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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.