Home / 5,424.05-8,131.14-2,136.38

Finding the Fourth Proportional to 5,424.05, 8,131.14 and 2,136.38

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Solution

The fourth proportional to 5,424.05, 8,131.14 and 2,136.38 is: 3,202.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.05 : 8,131.14 = 2,136.38 : x
  2. Step 2: Convert to fraction form
    5,424.05/8,131.14 = 2,136.38/x
  3. Step 3: Cross multiply
    5,424.05x = 8,131.14 × 2,136.38
  4. Step 4: Simplify right side
    5,424.05x = 17,371,164.22
  5. Step 5: Solve for x
    x = 17,371,164.22/5,424.05
  6. Step 6: Final answer
    x = 3,202.62

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1.5x scale

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.