Home / 5,152.88-7,110.79-2,794.97

Finding the Fourth Proportional to 5,152.88, 7,110.79 and 2,794.97

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Solution

The fourth proportional to 5,152.88, 7,110.79 and 2,794.97 is: 3,856.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.88 : 7,110.79 = 2,794.97 : x
  2. Step 2: Convert to fraction form
    5,152.88/7,110.79 = 2,794.97/x
  3. Step 3: Cross multiply
    5,152.88x = 7,110.79 × 2,794.97
  4. Step 4: Simplify right side
    5,152.88x = 19,874,455.52
  5. Step 5: Solve for x
    x = 19,874,455.52/5,152.88
  6. Step 6: Final answer
    x = 3,856.96

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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.