Home / 5,150.29-7,107.38-2,792.43

Finding the Fourth Proportional to 5,150.29, 7,107.38 and 2,792.43

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Solution

The fourth proportional to 5,150.29, 7,107.38 and 2,792.43 is: 3,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.29 : 7,107.38 = 2,792.43 : x
  2. Step 2: Convert to fraction form
    5,150.29/7,107.38 = 2,792.43/x
  3. Step 3: Cross multiply
    5,150.29x = 7,107.38 × 2,792.43
  4. Step 4: Simplify right side
    5,150.29x = 19,846,861.13
  5. Step 5: Solve for x
    x = 19,846,861.13/5,150.29
  6. Step 6: Final answer
    x = 3,853.54

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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.