Home / 4,042.82-5,579.80-3,858.14

Finding the Fourth Proportional to 4,042.82, 5,579.80 and 3,858.14

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Solution

The fourth proportional to 4,042.82, 5,579.80 and 3,858.14 is: 5,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.82 : 5,579.80 = 3,858.14 : x
  2. Step 2: Convert to fraction form
    4,042.82/5,579.80 = 3,858.14/x
  3. Step 3: Cross multiply
    4,042.82x = 5,579.80 × 3,858.14
  4. Step 4: Simplify right side
    4,042.82x = 21,527,612.03
  5. Step 5: Solve for x
    x = 21,527,612.03/4,042.82
  6. Step 6: Final answer
    x = 5,324.91

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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.