Home / 5,391.54-8,081.31-2,270.62

Finding the Fourth Proportional to 5,391.54, 8,081.31 and 2,270.62

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Solution

The fourth proportional to 5,391.54, 8,081.31 and 2,270.62 is: 3,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.54 : 8,081.31 = 2,270.62 : x
  2. Step 2: Convert to fraction form
    5,391.54/8,081.31 = 2,270.62/x
  3. Step 3: Cross multiply
    5,391.54x = 8,081.31 × 2,270.62
  4. Step 4: Simplify right side
    5,391.54x = 18,349,584.11
  5. Step 5: Solve for x
    x = 18,349,584.11/5,391.54
  6. Step 6: Final answer
    x = 3,403.40

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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.