Home / 8,143.25-11,237.81-4,786.16

Finding the Fourth Proportional to 8,143.25, 11,237.81 and 4,786.16

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Solution

The fourth proportional to 8,143.25, 11,237.81 and 4,786.16 is: 6,604.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.25 : 11,237.81 = 4,786.16 : x
  2. Step 2: Convert to fraction form
    8,143.25/11,237.81 = 4,786.16/x
  3. Step 3: Cross multiply
    8,143.25x = 11,237.81 × 4,786.16
  4. Step 4: Simplify right side
    8,143.25x = 53,785,876.59
  5. Step 5: Solve for x
    x = 53,785,876.59/8,143.25
  6. Step 6: Final answer
    x = 6,604.97

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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.