Home / 4,481.05-6,701.92-3,990.91

Finding the Fourth Proportional to 4,481.05, 6,701.92 and 3,990.91

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Solution

The fourth proportional to 4,481.05, 6,701.92 and 3,990.91 is: 5,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.05 : 6,701.92 = 3,990.91 : x
  2. Step 2: Convert to fraction form
    4,481.05/6,701.92 = 3,990.91/x
  3. Step 3: Cross multiply
    4,481.05x = 6,701.92 × 3,990.91
  4. Step 4: Simplify right side
    4,481.05x = 26,746,739.59
  5. Step 5: Solve for x
    x = 26,746,739.59/4,481.05
  6. Step 6: Final answer
    x = 5,968.86

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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.