Home / 5,082.11-7,012.46-2,986.64

Finding the Fourth Proportional to 5,082.11, 7,012.46 and 2,986.64

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Solution

The fourth proportional to 5,082.11, 7,012.46 and 2,986.64 is: 4,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.11 : 7,012.46 = 2,986.64 : x
  2. Step 2: Convert to fraction form
    5,082.11/7,012.46 = 2,986.64/x
  3. Step 3: Cross multiply
    5,082.11x = 7,012.46 × 2,986.64
  4. Step 4: Simplify right side
    5,082.11x = 20,943,665.94
  5. Step 5: Solve for x
    x = 20,943,665.94/5,082.11
  6. Step 6: Final answer
    x = 4,121.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.