Home / 7,692.26-11,538.96-2,761.94

Finding the Fourth Proportional to 7,692.26, 11,538.96 and 2,761.94

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Solution

The fourth proportional to 7,692.26, 11,538.96 and 2,761.94 is: 4,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.26 : 11,538.96 = 2,761.94 : x
  2. Step 2: Convert to fraction form
    7,692.26/11,538.96 = 2,761.94/x
  3. Step 3: Cross multiply
    7,692.26x = 11,538.96 × 2,761.94
  4. Step 4: Simplify right side
    7,692.26x = 31,869,915.18
  5. Step 5: Solve for x
    x = 31,869,915.18/7,692.26
  6. Step 6: Final answer
    x = 4,143.11

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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.