Home / 4,895.09-7,345.33-2,121.79

Finding the Fourth Proportional to 4,895.09, 7,345.33 and 2,121.79

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Solution

The fourth proportional to 4,895.09, 7,345.33 and 2,121.79 is: 3,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895.09 : 7,345.33 = 2,121.79 : x
  2. Step 2: Convert to fraction form
    4,895.09/7,345.33 = 2,121.79/x
  3. Step 3: Cross multiply
    4,895.09x = 7,345.33 × 2,121.79
  4. Step 4: Simplify right side
    4,895.09x = 15,585,211.01
  5. Step 5: Solve for x
    x = 15,585,211.01/4,895.09
  6. Step 6: Final answer
    x = 3,183.85

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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.