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Finding the Fourth Proportional to 8,372.97, 11,554.25 and 4,836.11

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Solution

The fourth proportional to 8,372.97, 11,554.25 and 4,836.11 is: 6,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.97 : 11,554.25 = 4,836.11 : x
  2. Step 2: Convert to fraction form
    8,372.97/11,554.25 = 4,836.11/x
  3. Step 3: Cross multiply
    8,372.97x = 11,554.25 × 4,836.11
  4. Step 4: Simplify right side
    8,372.97x = 55,877,542.02
  5. Step 5: Solve for x
    x = 55,877,542.02/8,372.97
  6. Step 6: Final answer
    x = 6,673.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.