Home / 9,278.43-13,917.45-2,258.48

Finding the Fourth Proportional to 9,278.43, 13,917.45 and 2,258.48

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Solution

The fourth proportional to 9,278.43, 13,917.45 and 2,258.48 is: 3,387.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.43 : 13,917.45 = 2,258.48 : x
  2. Step 2: Convert to fraction form
    9,278.43/13,917.45 = 2,258.48/x
  3. Step 3: Cross multiply
    9,278.43x = 13,917.45 × 2,258.48
  4. Step 4: Simplify right side
    9,278.43x = 31,432,212.89
  5. Step 5: Solve for x
    x = 31,432,212.89/9,278.43
  6. Step 6: Final answer
    x = 3,387.67

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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.