Home / 5,393.28-8,087.19-2,105.49

Finding the Fourth Proportional to 5,393.28, 8,087.19 and 2,105.49

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Solution

The fourth proportional to 5,393.28, 8,087.19 and 2,105.49 is: 3,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.28 : 8,087.19 = 2,105.49 : x
  2. Step 2: Convert to fraction form
    5,393.28/8,087.19 = 2,105.49/x
  3. Step 3: Cross multiply
    5,393.28x = 8,087.19 × 2,105.49
  4. Step 4: Simplify right side
    5,393.28x = 17,027,531.95
  5. Step 5: Solve for x
    x = 17,027,531.95/5,393.28
  6. Step 6: Final answer
    x = 3,157.17

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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.