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Finding the Fourth Proportional to 8,694.62, 13,034.91 and 3,495.50

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Solution

The fourth proportional to 8,694.62, 13,034.91 and 3,495.50 is: 5,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.62 : 13,034.91 = 3,495.50 : x
  2. Step 2: Convert to fraction form
    8,694.62/13,034.91 = 3,495.50/x
  3. Step 3: Cross multiply
    8,694.62x = 13,034.91 × 3,495.50
  4. Step 4: Simplify right side
    8,694.62x = 45,563,527.91
  5. Step 5: Solve for x
    x = 45,563,527.91/8,694.62
  6. Step 6: Final answer
    x = 5,240.43

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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.