Home / 7,961.49-11,942.24-3,284.15

Finding the Fourth Proportional to 7,961.49, 11,942.24 and 3,284.15

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Solution

The fourth proportional to 7,961.49, 11,942.24 and 3,284.15 is: 4,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.49 : 11,942.24 = 3,284.15 : x
  2. Step 2: Convert to fraction form
    7,961.49/11,942.24 = 3,284.15/x
  3. Step 3: Cross multiply
    7,961.49x = 11,942.24 × 3,284.15
  4. Step 4: Simplify right side
    7,961.49x = 39,220,031.36
  5. Step 5: Solve for x
    x = 39,220,031.36/7,961.49
  6. Step 6: Final answer
    x = 4,926.22

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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.