Home / 5,391.82-8,087.37-2,270.17

Finding the Fourth Proportional to 5,391.82, 8,087.37 and 2,270.17

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Solution

The fourth proportional to 5,391.82, 8,087.37 and 2,270.17 is: 3,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.82 : 8,087.37 = 2,270.17 : x
  2. Step 2: Convert to fraction form
    5,391.82/8,087.37 = 2,270.17/x
  3. Step 3: Cross multiply
    5,391.82x = 8,087.37 × 2,270.17
  4. Step 4: Simplify right side
    5,391.82x = 18,359,704.75
  5. Step 5: Solve for x
    x = 18,359,704.75/5,391.82
  6. Step 6: Final answer
    x = 3,405.10

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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.