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Finding the Fourth Proportional to 7,464, 11,196 and 1,992

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Solution

The fourth proportional to 7,464, 11,196 and 1,992 is: 2,988

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,464 : 11,196 = 1,992 : x
  2. Step 2: Convert to fraction form
    7,464/11,196 = 1,992/x
  3. Step 3: Cross multiply
    7,464x = 11,196 × 1,992
  4. Step 4: Simplify right side
    7,464x = 22,302,432
  5. Step 5: Solve for x
    x = 22,302,432/7,464
  6. Step 6: Final answer
    x = 2,988

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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.