Home / 8,107.97-11,190.15-4,571.51

Finding the Fourth Proportional to 8,107.97, 11,190.15 and 4,571.51

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Solution

The fourth proportional to 8,107.97, 11,190.15 and 4,571.51 is: 6,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.97 : 11,190.15 = 4,571.51 : x
  2. Step 2: Convert to fraction form
    8,107.97/11,190.15 = 4,571.51/x
  3. Step 3: Cross multiply
    8,107.97x = 11,190.15 × 4,571.51
  4. Step 4: Simplify right side
    8,107.97x = 51,155,826.68
  5. Step 5: Solve for x
    x = 51,155,826.68/8,107.97
  6. Step 6: Final answer
    x = 6,309.33

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Double scale
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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.