Home / 7,653.62-11,480.42-2,107.55

Finding the Fourth Proportional to 7,653.62, 11,480.42 and 2,107.55

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Solution

The fourth proportional to 7,653.62, 11,480.42 and 2,107.55 is: 3,161.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.62 : 11,480.42 = 2,107.55 : x
  2. Step 2: Convert to fraction form
    7,653.62/11,480.42 = 2,107.55/x
  3. Step 3: Cross multiply
    7,653.62x = 11,480.42 × 2,107.55
  4. Step 4: Simplify right side
    7,653.62x = 24,195,593.14
  5. Step 5: Solve for x
    x = 24,195,593.14/7,653.62
  6. Step 6: Final answer
    x = 3,161.33

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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.