Home / 6,721.24-10,082.60-1,791.04

Finding the Fourth Proportional to 6,721.24, 10,082.60 and 1,791.04

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Solution

The fourth proportional to 6,721.24, 10,082.60 and 1,791.04 is: 2,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.24 : 10,082.60 = 1,791.04 : x
  2. Step 2: Convert to fraction form
    6,721.24/10,082.60 = 1,791.04/x
  3. Step 3: Cross multiply
    6,721.24x = 10,082.60 × 1,791.04
  4. Step 4: Simplify right side
    6,721.24x = 18,058,339.90
  5. Step 5: Solve for x
    x = 18,058,339.90/6,721.24
  6. Step 6: Final answer
    x = 2,686.76

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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.