Home / 5,081.22-7,011.99-2,843.10

Finding the Fourth Proportional to 5,081.22, 7,011.99 and 2,843.10

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Solution

The fourth proportional to 5,081.22, 7,011.99 and 2,843.10 is: 3,923.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.22 : 7,011.99 = 2,843.10 : x
  2. Step 2: Convert to fraction form
    5,081.22/7,011.99 = 2,843.10/x
  3. Step 3: Cross multiply
    5,081.22x = 7,011.99 × 2,843.10
  4. Step 4: Simplify right side
    5,081.22x = 19,935,788.77
  5. Step 5: Solve for x
    x = 19,935,788.77/5,081.22
  6. Step 6: Final answer
    x = 3,923.43

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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.