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Finding the Fourth Proportional to 8,914.52, 13,371.78 and 3,717.56

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Solution

The fourth proportional to 8,914.52, 13,371.78 and 3,717.56 is: 5,576.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.52 : 13,371.78 = 3,717.56 : x
  2. Step 2: Convert to fraction form
    8,914.52/13,371.78 = 3,717.56/x
  3. Step 3: Cross multiply
    8,914.52x = 13,371.78 × 3,717.56
  4. Step 4: Simplify right side
    8,914.52x = 49,710,394.46
  5. Step 5: Solve for x
    x = 49,710,394.46/8,914.52
  6. Step 6: Final answer
    x = 5,576.34

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1.5x scale

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.