Home / 8,266.26-12,399.40-2,794.26

Finding the Fourth Proportional to 8,266.26, 12,399.40 and 2,794.26

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Solution

The fourth proportional to 8,266.26, 12,399.40 and 2,794.26 is: 4,191.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.26 : 12,399.40 = 2,794.26 : x
  2. Step 2: Convert to fraction form
    8,266.26/12,399.40 = 2,794.26/x
  3. Step 3: Cross multiply
    8,266.26x = 12,399.40 × 2,794.26
  4. Step 4: Simplify right side
    8,266.26x = 34,647,147.44
  5. Step 5: Solve for x
    x = 34,647,147.44/8,266.26
  6. Step 6: Final answer
    x = 4,191.39

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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.