Home / 7,524.40-11,286.60-3,629.20

Finding the Fourth Proportional to 7,524.40, 11,286.60 and 3,629.20

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Solution

The fourth proportional to 7,524.40, 11,286.60 and 3,629.20 is: 5,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524.40 : 11,286.60 = 3,629.20 : x
  2. Step 2: Convert to fraction form
    7,524.40/11,286.60 = 3,629.20/x
  3. Step 3: Cross multiply
    7,524.40x = 11,286.60 × 3,629.20
  4. Step 4: Simplify right side
    7,524.40x = 40,961,328.72
  5. Step 5: Solve for x
    x = 40,961,328.72/7,524.40
  6. Step 6: Final answer
    x = 5,443.80

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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.