Home / 8,825.21-13,229.46-3,274.78

Finding the Fourth Proportional to 8,825.21, 13,229.46 and 3,274.78

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Solution

The fourth proportional to 8,825.21, 13,229.46 and 3,274.78 is: 4,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.21 : 13,229.46 = 3,274.78 : x
  2. Step 2: Convert to fraction form
    8,825.21/13,229.46 = 3,274.78/x
  3. Step 3: Cross multiply
    8,825.21x = 13,229.46 × 3,274.78
  4. Step 4: Simplify right side
    8,825.21x = 43,323,571.02
  5. Step 5: Solve for x
    x = 43,323,571.02/8,825.21
  6. Step 6: Final answer
    x = 4,909.07

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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.