Home / 5,127.89-7,692.11-2,938.73

Finding the Fourth Proportional to 5,127.89, 7,692.11 and 2,938.73

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Solution

The fourth proportional to 5,127.89, 7,692.11 and 2,938.73 is: 4,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.89 : 7,692.11 = 2,938.73 : x
  2. Step 2: Convert to fraction form
    5,127.89/7,692.11 = 2,938.73/x
  3. Step 3: Cross multiply
    5,127.89x = 7,692.11 × 2,938.73
  4. Step 4: Simplify right side
    5,127.89x = 22,604,981.27
  5. Step 5: Solve for x
    x = 22,604,981.27/5,127.89
  6. Step 6: Final answer
    x = 4,408.25

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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.