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Finding the Fourth Proportional to 8,692.36, 13,042.14 and 3,761.08

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Solution

The fourth proportional to 8,692.36, 13,042.14 and 3,761.08 is: 5,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.36 : 13,042.14 = 3,761.08 : x
  2. Step 2: Convert to fraction form
    8,692.36/13,042.14 = 3,761.08/x
  3. Step 3: Cross multiply
    8,692.36x = 13,042.14 × 3,761.08
  4. Step 4: Simplify right side
    8,692.36x = 49,052,531.91
  5. Step 5: Solve for x
    x = 49,052,531.91/8,692.36
  6. Step 6: Final answer
    x = 5,643.18

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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.