Home / 8,242.89-12,365.92-2,694.74

Finding the Fourth Proportional to 8,242.89, 12,365.92 and 2,694.74

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Solution

The fourth proportional to 8,242.89, 12,365.92 and 2,694.74 is: 4,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.89 : 12,365.92 = 2,694.74 : x
  2. Step 2: Convert to fraction form
    8,242.89/12,365.92 = 2,694.74/x
  3. Step 3: Cross multiply
    8,242.89x = 12,365.92 × 2,694.74
  4. Step 4: Simplify right side
    8,242.89x = 33,322,880.80
  5. Step 5: Solve for x
    x = 33,322,880.80/8,242.89
  6. Step 6: Final answer
    x = 4,042.62

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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.