Home / 5,150.49-7,107.68-2,792.61

Finding the Fourth Proportional to 5,150.49, 7,107.68 and 2,792.61

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Solution

The fourth proportional to 5,150.49, 7,107.68 and 2,792.61 is: 3,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.49 : 7,107.68 = 2,792.61 : x
  2. Step 2: Convert to fraction form
    5,150.49/7,107.68 = 2,792.61/x
  3. Step 3: Cross multiply
    5,150.49x = 7,107.68 × 2,792.61
  4. Step 4: Simplify right side
    5,150.49x = 19,848,978.24
  5. Step 5: Solve for x
    x = 19,848,978.24/5,150.49
  6. Step 6: Final answer
    x = 3,853.80

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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.