Home / 5,150.43-7,107.62-2,792.57

Finding the Fourth Proportional to 5,150.43, 7,107.62 and 2,792.57

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Solution

The fourth proportional to 5,150.43, 7,107.62 and 2,792.57 is: 3,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.43 : 7,107.62 = 2,792.57 : x
  2. Step 2: Convert to fraction form
    5,150.43/7,107.62 = 2,792.57/x
  3. Step 3: Cross multiply
    5,150.43x = 7,107.62 × 2,792.57
  4. Step 4: Simplify right side
    5,150.43x = 19,848,476.88
  5. Step 5: Solve for x
    x = 19,848,476.88/5,150.43
  6. Step 6: Final answer
    x = 3,853.75

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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.