Home / 5,422.14-8,135.03-2,136.17

Finding the Fourth Proportional to 5,422.14, 8,135.03 and 2,136.17

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Solution

The fourth proportional to 5,422.14, 8,135.03 and 2,136.17 is: 3,204.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.14 : 8,135.03 = 2,136.17 : x
  2. Step 2: Convert to fraction form
    5,422.14/8,135.03 = 2,136.17/x
  3. Step 3: Cross multiply
    5,422.14x = 8,135.03 × 2,136.17
  4. Step 4: Simplify right side
    5,422.14x = 17,377,832.71
  5. Step 5: Solve for x
    x = 17,377,832.71/5,422.14
  6. Step 6: Final answer
    x = 3,204.98

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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.