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Finding the Fourth Proportional to 7,888.26, 11,833.79 and 2,692.92

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Solution

The fourth proportional to 7,888.26, 11,833.79 and 2,692.92 is: 4,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.26 : 11,833.79 = 2,692.92 : x
  2. Step 2: Convert to fraction form
    7,888.26/11,833.79 = 2,692.92/x
  3. Step 3: Cross multiply
    7,888.26x = 11,833.79 × 2,692.92
  4. Step 4: Simplify right side
    7,888.26x = 31,867,436.30
  5. Step 5: Solve for x
    x = 31,867,436.30/7,888.26
  6. Step 6: Final answer
    x = 4,039.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.