Home / 5,183.16-7,152.78-3,391.88

Finding the Fourth Proportional to 5,183.16, 7,152.78 and 3,391.88

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Solution

The fourth proportional to 5,183.16, 7,152.78 and 3,391.88 is: 4,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.16 : 7,152.78 = 3,391.88 : x
  2. Step 2: Convert to fraction form
    5,183.16/7,152.78 = 3,391.88/x
  3. Step 3: Cross multiply
    5,183.16x = 7,152.78 × 3,391.88
  4. Step 4: Simplify right side
    5,183.16x = 24,261,338.84
  5. Step 5: Solve for x
    x = 24,261,338.84/5,183.16
  6. Step 6: Final answer
    x = 4,680.80

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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.