Home / 8,259.26-12,388.73-3,328.79

Finding the Fourth Proportional to 8,259.26, 12,388.73 and 3,328.79

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Solution

The fourth proportional to 8,259.26, 12,388.73 and 3,328.79 is: 4,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.26 : 12,388.73 = 3,328.79 : x
  2. Step 2: Convert to fraction form
    8,259.26/12,388.73 = 3,328.79/x
  3. Step 3: Cross multiply
    8,259.26x = 12,388.73 × 3,328.79
  4. Step 4: Simplify right side
    8,259.26x = 41,239,401.95
  5. Step 5: Solve for x
    x = 41,239,401.95/8,259.26
  6. Step 6: Final answer
    x = 4,993.11

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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.