Home / 5,391.50-8,087.24-3,081.38

Finding the Fourth Proportional to 5,391.50, 8,087.24 and 3,081.38

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Solution

The fourth proportional to 5,391.50, 8,087.24 and 3,081.38 is: 4,622.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.50 : 8,087.24 = 3,081.38 : x
  2. Step 2: Convert to fraction form
    5,391.50/8,087.24 = 3,081.38/x
  3. Step 3: Cross multiply
    5,391.50x = 8,087.24 × 3,081.38
  4. Step 4: Simplify right side
    5,391.50x = 24,919,826.86
  5. Step 5: Solve for x
    x = 24,919,826.86/5,391.50
  6. Step 6: Final answer
    x = 4,622.06

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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.