Home / 7,112.97-10,662.92-2,729.55

Finding the Fourth Proportional to 7,112.97, 10,662.92 and 2,729.55

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Solution

The fourth proportional to 7,112.97, 10,662.92 and 2,729.55 is: 4,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.97 : 10,662.92 = 2,729.55 : x
  2. Step 2: Convert to fraction form
    7,112.97/10,662.92 = 2,729.55/x
  3. Step 3: Cross multiply
    7,112.97x = 10,662.92 × 2,729.55
  4. Step 4: Simplify right side
    7,112.97x = 29,105,025.21
  5. Step 5: Solve for x
    x = 29,105,025.21/7,112.97
  6. Step 6: Final answer
    x = 4,091.82

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1.5x scale

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.