Home / 6,768.32-10,147.68-2,605.76

Finding the Fourth Proportional to 6,768.32, 10,147.68 and 2,605.76

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Solution

The fourth proportional to 6,768.32, 10,147.68 and 2,605.76 is: 3,906.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.32 : 10,147.68 = 2,605.76 : x
  2. Step 2: Convert to fraction form
    6,768.32/10,147.68 = 2,605.76/x
  3. Step 3: Cross multiply
    6,768.32x = 10,147.68 × 2,605.76
  4. Step 4: Simplify right side
    6,768.32x = 26,442,418.64
  5. Step 5: Solve for x
    x = 26,442,418.64/6,768.32
  6. Step 6: Final answer
    x = 3,906.79

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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.