Home / 9,278.30-13,917.35-2,258.42

Finding the Fourth Proportional to 9,278.30, 13,917.35 and 2,258.42

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Solution

The fourth proportional to 9,278.30, 13,917.35 and 2,258.42 is: 3,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.30 : 13,917.35 = 2,258.42 : x
  2. Step 2: Convert to fraction form
    9,278.30/13,917.35 = 2,258.42/x
  3. Step 3: Cross multiply
    9,278.30x = 13,917.35 × 2,258.42
  4. Step 4: Simplify right side
    9,278.30x = 31,431,221.59
  5. Step 5: Solve for x
    x = 31,431,221.59/9,278.30
  6. Step 6: Final answer
    x = 3,387.61

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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.