Home / 6,747.26-10,119.74-1,815.80

Finding the Fourth Proportional to 6,747.26, 10,119.74 and 1,815.80

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Solution

The fourth proportional to 6,747.26, 10,119.74 and 1,815.80 is: 2,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.26 : 10,119.74 = 1,815.80 : x
  2. Step 2: Convert to fraction form
    6,747.26/10,119.74 = 1,815.80/x
  3. Step 3: Cross multiply
    6,747.26x = 10,119.74 × 1,815.80
  4. Step 4: Simplify right side
    6,747.26x = 18,375,364.21
  5. Step 5: Solve for x
    x = 18,375,364.21/6,747.26
  6. Step 6: Final answer
    x = 2,723.38

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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.