Home / 7,692.96-11,522-3,788.76

Finding the Fourth Proportional to 7,692.96, 11,522 and 3,788.76

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Solution

The fourth proportional to 7,692.96, 11,522 and 3,788.76 is: 5,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.96 : 11,522 = 3,788.76 : x
  2. Step 2: Convert to fraction form
    7,692.96/11,522 = 3,788.76/x
  3. Step 3: Cross multiply
    7,692.96x = 11,522 × 3,788.76
  4. Step 4: Simplify right side
    7,692.96x = 43,654,092.72
  5. Step 5: Solve for x
    x = 43,654,092.72/7,692.96
  6. Step 6: Final answer
    x = 5,674.55

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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.