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Finding the Fourth Proportional to 8,996.64, 13,496.94 and 2,757.51

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Solution

The fourth proportional to 8,996.64, 13,496.94 and 2,757.51 is: 4,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.64 : 13,496.94 = 2,757.51 : x
  2. Step 2: Convert to fraction form
    8,996.64/13,496.94 = 2,757.51/x
  3. Step 3: Cross multiply
    8,996.64x = 13,496.94 × 2,757.51
  4. Step 4: Simplify right side
    8,996.64x = 37,217,947.02
  5. Step 5: Solve for x
    x = 37,217,947.02/8,996.64
  6. Step 6: Final answer
    x = 4,136.87

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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.