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Finding the Fourth Proportional to 7,966, 11,949 and 3,349

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Solution

The fourth proportional to 7,966, 11,949 and 3,349 is: 5,023.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966 : 11,949 = 3,349 : x
  2. Step 2: Convert to fraction form
    7,966/11,949 = 3,349/x
  3. Step 3: Cross multiply
    7,966x = 11,949 × 3,349
  4. Step 4: Simplify right side
    7,966x = 40,017,201
  5. Step 5: Solve for x
    x = 40,017,201/7,966
  6. Step 6: Final answer
    x = 5,023.50

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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.