Home / 7,136.38-10,704.88-2,206.11

Finding the Fourth Proportional to 7,136.38, 10,704.88 and 2,206.11

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Solution

The fourth proportional to 7,136.38, 10,704.88 and 2,206.11 is: 3,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.38 : 10,704.88 = 2,206.11 : x
  2. Step 2: Convert to fraction form
    7,136.38/10,704.88 = 2,206.11/x
  3. Step 3: Cross multiply
    7,136.38x = 10,704.88 × 2,206.11
  4. Step 4: Simplify right side
    7,136.38x = 23,616,173.31
  5. Step 5: Solve for x
    x = 23,616,173.31/7,136.38
  6. Step 6: Final answer
    x = 3,309.26

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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.