Home / 4,400.13-6,600.20-1,478.44

Finding the Fourth Proportional to 4,400.13, 6,600.20 and 1,478.44

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Solution

The fourth proportional to 4,400.13, 6,600.20 and 1,478.44 is: 2,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.13 : 6,600.20 = 1,478.44 : x
  2. Step 2: Convert to fraction form
    4,400.13/6,600.20 = 1,478.44/x
  3. Step 3: Cross multiply
    4,400.13x = 6,600.20 × 1,478.44
  4. Step 4: Simplify right side
    4,400.13x = 9,757,959.29
  5. Step 5: Solve for x
    x = 9,757,959.29/4,400.13
  6. Step 6: Final answer
    x = 2,217.65

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