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Finding the Fourth Proportional to 8,469.75, 11,688.23 and 4,692.92

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Solution

The fourth proportional to 8,469.75, 11,688.23 and 4,692.92 is: 6,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.75 : 11,688.23 = 4,692.92 : x
  2. Step 2: Convert to fraction form
    8,469.75/11,688.23 = 4,692.92/x
  3. Step 3: Cross multiply
    8,469.75x = 11,688.23 × 4,692.92
  4. Step 4: Simplify right side
    8,469.75x = 54,851,969.28
  5. Step 5: Solve for x
    x = 54,851,969.28/8,469.75
  6. Step 6: Final answer
    x = 6,476.22

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