Home / 9,441.28-13,028.60-5,249.80

Finding the Fourth Proportional to 9,441.28, 13,028.60 and 5,249.80

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Solution

The fourth proportional to 9,441.28, 13,028.60 and 5,249.80 is: 7,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,441.28 : 13,028.60 = 5,249.80 : x
  2. Step 2: Convert to fraction form
    9,441.28/13,028.60 = 5,249.80/x
  3. Step 3: Cross multiply
    9,441.28x = 13,028.60 × 5,249.80
  4. Step 4: Simplify right side
    9,441.28x = 68,397,544.28
  5. Step 5: Solve for x
    x = 68,397,544.28/9,441.28
  6. Step 6: Final answer
    x = 7,244.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.