Home / 7,758.22-11,637.35-2,135.97

Finding the Fourth Proportional to 7,758.22, 11,637.35 and 2,135.97

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Solution

The fourth proportional to 7,758.22, 11,637.35 and 2,135.97 is: 3,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.22 : 11,637.35 = 2,135.97 : x
  2. Step 2: Convert to fraction form
    7,758.22/11,637.35 = 2,135.97/x
  3. Step 3: Cross multiply
    7,758.22x = 11,637.35 × 2,135.97
  4. Step 4: Simplify right side
    7,758.22x = 24,856,990.73
  5. Step 5: Solve for x
    x = 24,856,990.73/7,758.22
  6. Step 6: Final answer
    x = 3,203.95

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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.