Home / 8,687.09-13,048.06-5,183.93

Finding the Fourth Proportional to 8,687.09, 13,048.06 and 5,183.93

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Solution

The fourth proportional to 8,687.09, 13,048.06 and 5,183.93 is: 7,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687.09 : 13,048.06 = 5,183.93 : x
  2. Step 2: Convert to fraction form
    8,687.09/13,048.06 = 5,183.93/x
  3. Step 3: Cross multiply
    8,687.09x = 13,048.06 × 5,183.93
  4. Step 4: Simplify right side
    8,687.09x = 67,640,229.68
  5. Step 5: Solve for x
    x = 67,640,229.68/8,687.09
  6. Step 6: Final answer
    x = 7,786.30

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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.