Home / 6,380.80-9,570.66-2,682.88

Finding the Fourth Proportional to 6,380.80, 9,570.66 and 2,682.88

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Solution

The fourth proportional to 6,380.80, 9,570.66 and 2,682.88 is: 4,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.80 : 9,570.66 = 2,682.88 : x
  2. Step 2: Convert to fraction form
    6,380.80/9,570.66 = 2,682.88/x
  3. Step 3: Cross multiply
    6,380.80x = 9,570.66 × 2,682.88
  4. Step 4: Simplify right side
    6,380.80x = 25,676,932.30
  5. Step 5: Solve for x
    x = 25,676,932.30/6,380.80
  6. Step 6: Final answer
    x = 4,024.09

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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.