Home / 6,729.57-10,089.99-3,220.20

Finding the Fourth Proportional to 6,729.57, 10,089.99 and 3,220.20

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Solution

The fourth proportional to 6,729.57, 10,089.99 and 3,220.20 is: 4,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.57 : 10,089.99 = 3,220.20 : x
  2. Step 2: Convert to fraction form
    6,729.57/10,089.99 = 3,220.20/x
  3. Step 3: Cross multiply
    6,729.57x = 10,089.99 × 3,220.20
  4. Step 4: Simplify right side
    6,729.57x = 32,491,785.80
  5. Step 5: Solve for x
    x = 32,491,785.80/6,729.57
  6. Step 6: Final answer
    x = 4,828.21

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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.