Home / 5,249.09-7,244.77-3,012.48

Finding the Fourth Proportional to 5,249.09, 7,244.77 and 3,012.48

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Solution

The fourth proportional to 5,249.09, 7,244.77 and 3,012.48 is: 4,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.09 : 7,244.77 = 3,012.48 : x
  2. Step 2: Convert to fraction form
    5,249.09/7,244.77 = 3,012.48/x
  3. Step 3: Cross multiply
    5,249.09x = 7,244.77 × 3,012.48
  4. Step 4: Simplify right side
    5,249.09x = 21,824,724.73
  5. Step 5: Solve for x
    x = 21,824,724.73/5,249.09
  6. Step 6: Final answer
    x = 4,157.81

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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.