Home / 6,721.67-10,082.74-1,791.32

Finding the Fourth Proportional to 6,721.67, 10,082.74 and 1,791.32

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Solution

The fourth proportional to 6,721.67, 10,082.74 and 1,791.32 is: 2,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.67 : 10,082.74 = 1,791.32 : x
  2. Step 2: Convert to fraction form
    6,721.67/10,082.74 = 1,791.32/x
  3. Step 3: Cross multiply
    6,721.67x = 10,082.74 × 1,791.32
  4. Step 4: Simplify right side
    6,721.67x = 18,061,358.92
  5. Step 5: Solve for x
    x = 18,061,358.92/6,721.67
  6. Step 6: Final answer
    x = 2,687.03

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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.