Home / 7,508.82-11,255.46-2,827.92

Finding the Fourth Proportional to 7,508.82, 11,255.46 and 2,827.92

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Solution

The fourth proportional to 7,508.82, 11,255.46 and 2,827.92 is: 4,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.82 : 11,255.46 = 2,827.92 : x
  2. Step 2: Convert to fraction form
    7,508.82/11,255.46 = 2,827.92/x
  3. Step 3: Cross multiply
    7,508.82x = 11,255.46 × 2,827.92
  4. Step 4: Simplify right side
    7,508.82x = 31,829,540.44
  5. Step 5: Solve for x
    x = 31,829,540.44/7,508.82
  6. Step 6: Final answer
    x = 4,238.95

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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.