Home / 7,186.34-10,757.24-3,891.26

Finding the Fourth Proportional to 7,186.34, 10,757.24 and 3,891.26

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Solution

The fourth proportional to 7,186.34, 10,757.24 and 3,891.26 is: 5,824.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.34 : 10,757.24 = 3,891.26 : x
  2. Step 2: Convert to fraction form
    7,186.34/10,757.24 = 3,891.26/x
  3. Step 3: Cross multiply
    7,186.34x = 10,757.24 × 3,891.26
  4. Step 4: Simplify right side
    7,186.34x = 41,859,239.75
  5. Step 5: Solve for x
    x = 41,859,239.75/7,186.34
  6. Step 6: Final answer
    x = 5,824.83

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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.