Home / 7,692.93-11,538.35-2,761.86

Finding the Fourth Proportional to 7,692.93, 11,538.35 and 2,761.86

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Solution

The fourth proportional to 7,692.93, 11,538.35 and 2,761.86 is: 4,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.93 : 11,538.35 = 2,761.86 : x
  2. Step 2: Convert to fraction form
    7,692.93/11,538.35 = 2,761.86/x
  3. Step 3: Cross multiply
    7,692.93x = 11,538.35 × 2,761.86
  4. Step 4: Simplify right side
    7,692.93x = 31,867,293.52
  5. Step 5: Solve for x
    x = 31,867,293.52/7,692.93
  6. Step 6: Final answer
    x = 4,142.41

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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.