Home / 8,259.26-12,388.92-2,103.26

Finding the Fourth Proportional to 8,259.26, 12,388.92 and 2,103.26

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Solution

The fourth proportional to 8,259.26, 12,388.92 and 2,103.26 is: 3,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.26 : 12,388.92 = 2,103.26 : x
  2. Step 2: Convert to fraction form
    8,259.26/12,388.92 = 2,103.26/x
  3. Step 3: Cross multiply
    8,259.26x = 12,388.92 × 2,103.26
  4. Step 4: Simplify right side
    8,259.26x = 26,057,119.88
  5. Step 5: Solve for x
    x = 26,057,119.88/8,259.26
  6. Step 6: Final answer
    x = 3,154.90

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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.