Home / 8,220.06-12,334.14-3,836.88

Finding the Fourth Proportional to 8,220.06, 12,334.14 and 3,836.88

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Solution

The fourth proportional to 8,220.06, 12,334.14 and 3,836.88 is: 5,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.06 : 12,334.14 = 3,836.88 : x
  2. Step 2: Convert to fraction form
    8,220.06/12,334.14 = 3,836.88/x
  3. Step 3: Cross multiply
    8,220.06x = 12,334.14 × 3,836.88
  4. Step 4: Simplify right side
    8,220.06x = 47,324,615.08
  5. Step 5: Solve for x
    x = 47,324,615.08/8,220.06
  6. Step 6: Final answer
    x = 5,757.21

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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.