Home / 7,517.97-11,275.14-3,133.05

Finding the Fourth Proportional to 7,517.97, 11,275.14 and 3,133.05

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Solution

The fourth proportional to 7,517.97, 11,275.14 and 3,133.05 is: 4,698.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.97 : 11,275.14 = 3,133.05 : x
  2. Step 2: Convert to fraction form
    7,517.97/11,275.14 = 3,133.05/x
  3. Step 3: Cross multiply
    7,517.97x = 11,275.14 × 3,133.05
  4. Step 4: Simplify right side
    7,517.97x = 35,325,577.38
  5. Step 5: Solve for x
    x = 35,325,577.38/7,517.97
  6. Step 6: Final answer
    x = 4,698.82

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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.