Home / 5,306.86-7,960.77-2,186.14

Finding the Fourth Proportional to 5,306.86, 7,960.77 and 2,186.14

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Solution

The fourth proportional to 5,306.86, 7,960.77 and 2,186.14 is: 3,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.86 : 7,960.77 = 2,186.14 : x
  2. Step 2: Convert to fraction form
    5,306.86/7,960.77 = 2,186.14/x
  3. Step 3: Cross multiply
    5,306.86x = 7,960.77 × 2,186.14
  4. Step 4: Simplify right side
    5,306.86x = 17,403,357.73
  5. Step 5: Solve for x
    x = 17,403,357.73/5,306.86
  6. Step 6: Final answer
    x = 3,279.41

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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.