Home / 5,516.26-7,612.38-2,998.42

Finding the Fourth Proportional to 5,516.26, 7,612.38 and 2,998.42

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Solution

The fourth proportional to 5,516.26, 7,612.38 and 2,998.42 is: 4,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.26 : 7,612.38 = 2,998.42 : x
  2. Step 2: Convert to fraction form
    5,516.26/7,612.38 = 2,998.42/x
  3. Step 3: Cross multiply
    5,516.26x = 7,612.38 × 2,998.42
  4. Step 4: Simplify right side
    5,516.26x = 22,825,112.44
  5. Step 5: Solve for x
    x = 22,825,112.44/5,516.26
  6. Step 6: Final answer
    x = 4,137.79

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Half scale
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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.