Home / 4,082.82-6,121.53-2,136.39

Finding the Fourth Proportional to 4,082.82, 6,121.53 and 2,136.39

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Solution

The fourth proportional to 4,082.82, 6,121.53 and 2,136.39 is: 3,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.82 : 6,121.53 = 2,136.39 : x
  2. Step 2: Convert to fraction form
    4,082.82/6,121.53 = 2,136.39/x
  3. Step 3: Cross multiply
    4,082.82x = 6,121.53 × 2,136.39
  4. Step 4: Simplify right side
    4,082.82x = 13,077,975.48
  5. Step 5: Solve for x
    x = 13,077,975.48/4,082.82
  6. Step 6: Final answer
    x = 3,203.17

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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.