Home / 7,092.35-10,640.07-2,161.85

Finding the Fourth Proportional to 7,092.35, 10,640.07 and 2,161.85

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Solution

The fourth proportional to 7,092.35, 10,640.07 and 2,161.85 is: 3,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.35 : 10,640.07 = 2,161.85 : x
  2. Step 2: Convert to fraction form
    7,092.35/10,640.07 = 2,161.85/x
  3. Step 3: Cross multiply
    7,092.35x = 10,640.07 × 2,161.85
  4. Step 4: Simplify right side
    7,092.35x = 23,002,235.33
  5. Step 5: Solve for x
    x = 23,002,235.33/7,092.35
  6. Step 6: Final answer
    x = 3,243.25

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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.