Home / 4,078.09-6,114.66-2,226.64

Finding the Fourth Proportional to 4,078.09, 6,114.66 and 2,226.64

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Solution

The fourth proportional to 4,078.09, 6,114.66 and 2,226.64 is: 3,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.09 : 6,114.66 = 2,226.64 : x
  2. Step 2: Convert to fraction form
    4,078.09/6,114.66 = 2,226.64/x
  3. Step 3: Cross multiply
    4,078.09x = 6,114.66 × 2,226.64
  4. Step 4: Simplify right side
    4,078.09x = 13,615,115.97
  5. Step 5: Solve for x
    x = 13,615,115.97/4,078.09
  6. Step 6: Final answer
    x = 3,338.61

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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.