Home / 6,378.80-9,570.99-2,481.86

Finding the Fourth Proportional to 6,378.80, 9,570.99 and 2,481.86

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Solution

The fourth proportional to 6,378.80, 9,570.99 and 2,481.86 is: 3,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.80 : 9,570.99 = 2,481.86 : x
  2. Step 2: Convert to fraction form
    6,378.80/9,570.99 = 2,481.86/x
  3. Step 3: Cross multiply
    6,378.80x = 9,570.99 × 2,481.86
  4. Step 4: Simplify right side
    6,378.80x = 23,753,857.24
  5. Step 5: Solve for x
    x = 23,753,857.24/6,378.80
  6. Step 6: Final answer
    x = 3,723.88

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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.