Home / 7,522.12-11,289.66-3,629.80

Finding the Fourth Proportional to 7,522.12, 11,289.66 and 3,629.80

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Solution

The fourth proportional to 7,522.12, 11,289.66 and 3,629.80 is: 5,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.12 : 11,289.66 = 3,629.80 : x
  2. Step 2: Convert to fraction form
    7,522.12/11,289.66 = 3,629.80/x
  3. Step 3: Cross multiply
    7,522.12x = 11,289.66 × 3,629.80
  4. Step 4: Simplify right side
    7,522.12x = 40,979,207.87
  5. Step 5: Solve for x
    x = 40,979,207.87/7,522.12
  6. Step 6: Final answer
    x = 5,447.83

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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.