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Finding the Fourth Proportional to 8,852, 13,279.68 and 3,309.24

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Solution

The fourth proportional to 8,852, 13,279.68 and 3,309.24 is: 4,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852 : 13,279.68 = 3,309.24 : x
  2. Step 2: Convert to fraction form
    8,852/13,279.68 = 3,309.24/x
  3. Step 3: Cross multiply
    8,852x = 13,279.68 × 3,309.24
  4. Step 4: Simplify right side
    8,852x = 43,945,648.24
  5. Step 5: Solve for x
    x = 43,945,648.24/8,852
  6. Step 6: Final answer
    x = 4,964.49

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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.