Home / 5,380.36-8,068.41-2,092.97

Finding the Fourth Proportional to 5,380.36, 8,068.41 and 2,092.97

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Solution

The fourth proportional to 5,380.36, 8,068.41 and 2,092.97 is: 3,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.36 : 8,068.41 = 2,092.97 : x
  2. Step 2: Convert to fraction form
    5,380.36/8,068.41 = 2,092.97/x
  3. Step 3: Cross multiply
    5,380.36x = 8,068.41 × 2,092.97
  4. Step 4: Simplify right side
    5,380.36x = 16,886,960.25
  5. Step 5: Solve for x
    x = 16,886,960.25/5,380.36
  6. Step 6: Final answer
    x = 3,138.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.