Home / 6,786.45-9,364.77-3,761.33

Finding the Fourth Proportional to 6,786.45, 9,364.77 and 3,761.33

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Solution

The fourth proportional to 6,786.45, 9,364.77 and 3,761.33 is: 5,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.45 : 9,364.77 = 3,761.33 : x
  2. Step 2: Convert to fraction form
    6,786.45/9,364.77 = 3,761.33/x
  3. Step 3: Cross multiply
    6,786.45x = 9,364.77 × 3,761.33
  4. Step 4: Simplify right side
    6,786.45x = 35,223,943.52
  5. Step 5: Solve for x
    x = 35,223,943.52/6,786.45
  6. Step 6: Final answer
    x = 5,190.33

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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.