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Finding the Fourth Proportional to 8,464, 12,696 and 3,600

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Solution

The fourth proportional to 8,464, 12,696 and 3,600 is: 5,400

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464 : 12,696 = 3,600 : x
  2. Step 2: Convert to fraction form
    8,464/12,696 = 3,600/x
  3. Step 3: Cross multiply
    8,464x = 12,696 × 3,600
  4. Step 4: Simplify right side
    8,464x = 45,705,600
  5. Step 5: Solve for x
    x = 45,705,600/8,464
  6. Step 6: Final answer
    x = 5,400

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.