Home / 7,961.18-11,937.20-3,284.42

Finding the Fourth Proportional to 7,961.18, 11,937.20 and 3,284.42

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Solution

The fourth proportional to 7,961.18, 11,937.20 and 3,284.42 is: 4,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.18 : 11,937.20 = 3,284.42 : x
  2. Step 2: Convert to fraction form
    7,961.18/11,937.20 = 3,284.42/x
  3. Step 3: Cross multiply
    7,961.18x = 11,937.20 × 3,284.42
  4. Step 4: Simplify right side
    7,961.18x = 39,206,702.32
  5. Step 5: Solve for x
    x = 39,206,702.32/7,961.18
  6. Step 6: Final answer
    x = 4,924.74

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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.