Home / 3,901.15-5,366.82-3,791.80

Finding the Fourth Proportional to 3,901.15, 5,366.82 and 3,791.80

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Solution

The fourth proportional to 3,901.15, 5,366.82 and 3,791.80 is: 5,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.15 : 5,366.82 = 3,791.80 : x
  2. Step 2: Convert to fraction form
    3,901.15/5,366.82 = 3,791.80/x
  3. Step 3: Cross multiply
    3,901.15x = 5,366.82 × 3,791.80
  4. Step 4: Simplify right side
    3,901.15x = 20,349,908.08
  5. Step 5: Solve for x
    x = 20,349,908.08/3,901.15
  6. Step 6: Final answer
    x = 5,216.39

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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.