Home / 7,961.82-11,951.96-4,271.27

Finding the Fourth Proportional to 7,961.82, 11,951.96 and 4,271.27

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Solution

The fourth proportional to 7,961.82, 11,951.96 and 4,271.27 is: 6,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.82 : 11,951.96 = 4,271.27 : x
  2. Step 2: Convert to fraction form
    7,961.82/11,951.96 = 4,271.27/x
  3. Step 3: Cross multiply
    7,961.82x = 11,951.96 × 4,271.27
  4. Step 4: Simplify right side
    7,961.82x = 51,049,967.07
  5. Step 5: Solve for x
    x = 51,049,967.07/7,961.82
  6. Step 6: Final answer
    x = 6,411.85

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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.