Home / 7,839.86-11,766.14-4,144.37

Finding the Fourth Proportional to 7,839.86, 11,766.14 and 4,144.37

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Solution

The fourth proportional to 7,839.86, 11,766.14 and 4,144.37 is: 6,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.86 : 11,766.14 = 4,144.37 : x
  2. Step 2: Convert to fraction form
    7,839.86/11,766.14 = 4,144.37/x
  3. Step 3: Cross multiply
    7,839.86x = 11,766.14 × 4,144.37
  4. Step 4: Simplify right side
    7,839.86x = 48,763,189.16
  5. Step 5: Solve for x
    x = 48,763,189.16/7,839.86
  6. Step 6: Final answer
    x = 6,219.91

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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.