Home / 6,081.15-8,391.97-3,428.54

Finding the Fourth Proportional to 6,081.15, 8,391.97 and 3,428.54

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Solution

The fourth proportional to 6,081.15, 8,391.97 and 3,428.54 is: 4,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.15 : 8,391.97 = 3,428.54 : x
  2. Step 2: Convert to fraction form
    6,081.15/8,391.97 = 3,428.54/x
  3. Step 3: Cross multiply
    6,081.15x = 8,391.97 × 3,428.54
  4. Step 4: Simplify right side
    6,081.15x = 28,772,183.84
  5. Step 5: Solve for x
    x = 28,772,183.84/6,081.15
  6. Step 6: Final answer
    x = 4,731.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.