Home / 7,750.25-11,628.82-4,418.38

Finding the Fourth Proportional to 7,750.25, 11,628.82 and 4,418.38

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Solution

The fourth proportional to 7,750.25, 11,628.82 and 4,418.38 is: 6,629.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.25 : 11,628.82 = 4,418.38 : x
  2. Step 2: Convert to fraction form
    7,750.25/11,628.82 = 4,418.38/x
  3. Step 3: Cross multiply
    7,750.25x = 11,628.82 × 4,418.38
  4. Step 4: Simplify right side
    7,750.25x = 51,380,540.92
  5. Step 5: Solve for x
    x = 51,380,540.92/7,750.25
  6. Step 6: Final answer
    x = 6,629.53

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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.