Home / 7,961.25-11,941.98-3,031.16

Finding the Fourth Proportional to 7,961.25, 11,941.98 and 3,031.16

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Solution

The fourth proportional to 7,961.25, 11,941.98 and 3,031.16 is: 4,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.25 : 11,941.98 = 3,031.16 : x
  2. Step 2: Convert to fraction form
    7,961.25/11,941.98 = 3,031.16/x
  3. Step 3: Cross multiply
    7,961.25x = 11,941.98 × 3,031.16
  4. Step 4: Simplify right side
    7,961.25x = 36,197,992.39
  5. Step 5: Solve for x
    x = 36,197,992.39/7,961.25
  6. Step 6: Final answer
    x = 4,546.78

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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.