Home / 6,612.47-9,919.85-2,229.96

Finding the Fourth Proportional to 6,612.47, 9,919.85 and 2,229.96

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Solution

The fourth proportional to 6,612.47, 9,919.85 and 2,229.96 is: 3,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.47 : 9,919.85 = 2,229.96 : x
  2. Step 2: Convert to fraction form
    6,612.47/9,919.85 = 2,229.96/x
  3. Step 3: Cross multiply
    6,612.47x = 9,919.85 × 2,229.96
  4. Step 4: Simplify right side
    6,612.47x = 22,120,868.71
  5. Step 5: Solve for x
    x = 22,120,868.71/6,612.47
  6. Step 6: Final answer
    x = 3,345.33

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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.