Home / 5,080.79-7,011.62-2,843.05

Finding the Fourth Proportional to 5,080.79, 7,011.62 and 2,843.05

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Solution

The fourth proportional to 5,080.79, 7,011.62 and 2,843.05 is: 3,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.79 : 7,011.62 = 2,843.05 : x
  2. Step 2: Convert to fraction form
    5,080.79/7,011.62 = 2,843.05/x
  3. Step 3: Cross multiply
    5,080.79x = 7,011.62 × 2,843.05
  4. Step 4: Simplify right side
    5,080.79x = 19,934,375.82
  5. Step 5: Solve for x
    x = 19,934,375.82/5,080.79
  6. Step 6: Final answer
    x = 3,923.48

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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.