Home / 7,844.48-11,767.86-2,651.84

Finding the Fourth Proportional to 7,844.48, 11,767.86 and 2,651.84

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Solution

The fourth proportional to 7,844.48, 11,767.86 and 2,651.84 is: 3,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.48 : 11,767.86 = 2,651.84 : x
  2. Step 2: Convert to fraction form
    7,844.48/11,767.86 = 2,651.84/x
  3. Step 3: Cross multiply
    7,844.48x = 11,767.86 × 2,651.84
  4. Step 4: Simplify right side
    7,844.48x = 31,206,481.86
  5. Step 5: Solve for x
    x = 31,206,481.86/7,844.48
  6. Step 6: Final answer
    x = 3,978.15

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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.