Home / 7,986.18-11,968.29-4,082.43

Finding the Fourth Proportional to 7,986.18, 11,968.29 and 4,082.43

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Solution

The fourth proportional to 7,986.18, 11,968.29 and 4,082.43 is: 6,118.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.18 : 11,968.29 = 4,082.43 : x
  2. Step 2: Convert to fraction form
    7,986.18/11,968.29 = 4,082.43/x
  3. Step 3: Cross multiply
    7,986.18x = 11,968.29 × 4,082.43
  4. Step 4: Simplify right side
    7,986.18x = 48,859,706.14
  5. Step 5: Solve for x
    x = 48,859,706.14/7,986.18
  6. Step 6: Final answer
    x = 6,118.03

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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.