Home / 6,351.22-8,761.99-3,992.50

Finding the Fourth Proportional to 6,351.22, 8,761.99 and 3,992.50

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Solution

The fourth proportional to 6,351.22, 8,761.99 and 3,992.50 is: 5,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.22 : 8,761.99 = 3,992.50 : x
  2. Step 2: Convert to fraction form
    6,351.22/8,761.99 = 3,992.50/x
  3. Step 3: Cross multiply
    6,351.22x = 8,761.99 × 3,992.50
  4. Step 4: Simplify right side
    6,351.22x = 34,982,181.30
  5. Step 5: Solve for x
    x = 34,982,181.30/6,351.22
  6. Step 6: Final answer
    x = 5,507.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.