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Finding the Fourth Proportional to 8,914.82, 13,375.26 and 3,369.74

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Solution

The fourth proportional to 8,914.82, 13,375.26 and 3,369.74 is: 5,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.82 : 13,375.26 = 3,369.74 : x
  2. Step 2: Convert to fraction form
    8,914.82/13,375.26 = 3,369.74/x
  3. Step 3: Cross multiply
    8,914.82x = 13,375.26 × 3,369.74
  4. Step 4: Simplify right side
    8,914.82x = 45,071,148.63
  5. Step 5: Solve for x
    x = 45,071,148.63/8,914.82
  6. Step 6: Final answer
    x = 5,055.76

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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.