Home / 7,942.75-10,961.94-4,586.38

Finding the Fourth Proportional to 7,942.75, 10,961.94 and 4,586.38

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Solution

The fourth proportional to 7,942.75, 10,961.94 and 4,586.38 is: 6,329.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.75 : 10,961.94 = 4,586.38 : x
  2. Step 2: Convert to fraction form
    7,942.75/10,961.94 = 4,586.38/x
  3. Step 3: Cross multiply
    7,942.75x = 10,961.94 × 4,586.38
  4. Step 4: Simplify right side
    7,942.75x = 50,275,622.38
  5. Step 5: Solve for x
    x = 50,275,622.38/7,942.75
  6. Step 6: Final answer
    x = 6,329.75

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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.