Home / 4,149.20-6,223.80-3,522.80

Finding the Fourth Proportional to 4,149.20, 6,223.80 and 3,522.80

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Solution

The fourth proportional to 4,149.20, 6,223.80 and 3,522.80 is: 5,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.20 : 6,223.80 = 3,522.80 : x
  2. Step 2: Convert to fraction form
    4,149.20/6,223.80 = 3,522.80/x
  3. Step 3: Cross multiply
    4,149.20x = 6,223.80 × 3,522.80
  4. Step 4: Simplify right side
    4,149.20x = 21,925,202.64
  5. Step 5: Solve for x
    x = 21,925,202.64/4,149.20
  6. Step 6: Final answer
    x = 5,284.20

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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.