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Finding the Fourth Proportional to 9,288.84, 13,936.22 and 3,446.28

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Solution

The fourth proportional to 9,288.84, 13,936.22 and 3,446.28 is: 5,170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.84 : 13,936.22 = 3,446.28 : x
  2. Step 2: Convert to fraction form
    9,288.84/13,936.22 = 3,446.28/x
  3. Step 3: Cross multiply
    9,288.84x = 13,936.22 × 3,446.28
  4. Step 4: Simplify right side
    9,288.84x = 48,028,116.26
  5. Step 5: Solve for x
    x = 48,028,116.26/9,288.84
  6. Step 6: Final answer
    x = 5,170.52

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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.