Home / 6,136.75-9,204.92-1,977

Finding the Fourth Proportional to 6,136.75, 9,204.92 and 1,977

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Solution

The fourth proportional to 6,136.75, 9,204.92 and 1,977 is: 2,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.75 : 9,204.92 = 1,977 : x
  2. Step 2: Convert to fraction form
    6,136.75/9,204.92 = 1,977/x
  3. Step 3: Cross multiply
    6,136.75x = 9,204.92 × 1,977
  4. Step 4: Simplify right side
    6,136.75x = 18,198,126.84
  5. Step 5: Solve for x
    x = 18,198,126.84/6,136.75
  6. Step 6: Final answer
    x = 2,965.43

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Double scale
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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.