Home / 5,127.11-7,692.05-1,617.26

Finding the Fourth Proportional to 5,127.11, 7,692.05 and 1,617.26

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Solution

The fourth proportional to 5,127.11, 7,692.05 and 1,617.26 is: 2,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.11 : 7,692.05 = 1,617.26 : x
  2. Step 2: Convert to fraction form
    5,127.11/7,692.05 = 1,617.26/x
  3. Step 3: Cross multiply
    5,127.11x = 7,692.05 × 1,617.26
  4. Step 4: Simplify right side
    5,127.11x = 12,440,029.73
  5. Step 5: Solve for x
    x = 12,440,029.73/5,127.11
  6. Step 6: Final answer
    x = 2,426.32

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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.