Home / 7,171.41-10,754.68-2,728.02

Finding the Fourth Proportional to 7,171.41, 10,754.68 and 2,728.02

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Solution

The fourth proportional to 7,171.41, 10,754.68 and 2,728.02 is: 4,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.41 : 10,754.68 = 2,728.02 : x
  2. Step 2: Convert to fraction form
    7,171.41/10,754.68 = 2,728.02/x
  3. Step 3: Cross multiply
    7,171.41x = 10,754.68 × 2,728.02
  4. Step 4: Simplify right side
    7,171.41x = 29,338,937.69
  5. Step 5: Solve for x
    x = 29,338,937.69/7,171.41
  6. Step 6: Final answer
    x = 4,091.10

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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.