Home / 4,481.60-6,727.80-4,449.20

Finding the Fourth Proportional to 4,481.60, 6,727.80 and 4,449.20

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Solution

The fourth proportional to 4,481.60, 6,727.80 and 4,449.20 is: 6,679.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.60 : 6,727.80 = 4,449.20 : x
  2. Step 2: Convert to fraction form
    4,481.60/6,727.80 = 4,449.20/x
  3. Step 3: Cross multiply
    4,481.60x = 6,727.80 × 4,449.20
  4. Step 4: Simplify right side
    4,481.60x = 29,933,327.76
  5. Step 5: Solve for x
    x = 29,933,327.76/4,481.60
  6. Step 6: Final answer
    x = 6,679.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.