Home / 5,081.87-7,012.83-2,843.84

Finding the Fourth Proportional to 5,081.87, 7,012.83 and 2,843.84

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Solution

The fourth proportional to 5,081.87, 7,012.83 and 2,843.84 is: 3,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.87 : 7,012.83 = 2,843.84 : x
  2. Step 2: Convert to fraction form
    5,081.87/7,012.83 = 2,843.84/x
  3. Step 3: Cross multiply
    5,081.87x = 7,012.83 × 2,843.84
  4. Step 4: Simplify right side
    5,081.87x = 19,943,366.47
  5. Step 5: Solve for x
    x = 19,943,366.47/5,081.87
  6. Step 6: Final answer
    x = 3,924.41

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Double scale
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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.