Home / 6,748.26-10,121.23-1,816.80

Finding the Fourth Proportional to 6,748.26, 10,121.23 and 1,816.80

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Solution

The fourth proportional to 6,748.26, 10,121.23 and 1,816.80 is: 2,724.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.26 : 10,121.23 = 1,816.80 : x
  2. Step 2: Convert to fraction form
    6,748.26/10,121.23 = 1,816.80/x
  3. Step 3: Cross multiply
    6,748.26x = 10,121.23 × 1,816.80
  4. Step 4: Simplify right side
    6,748.26x = 18,388,250.66
  5. Step 5: Solve for x
    x = 18,388,250.66/6,748.26
  6. Step 6: Final answer
    x = 2,724.89

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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.