Home / 4,991.80-7,481.87-3,755.23

Finding the Fourth Proportional to 4,991.80, 7,481.87 and 3,755.23

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Solution

The fourth proportional to 4,991.80, 7,481.87 and 3,755.23 is: 5,628.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.80 : 7,481.87 = 3,755.23 : x
  2. Step 2: Convert to fraction form
    4,991.80/7,481.87 = 3,755.23/x
  3. Step 3: Cross multiply
    4,991.80x = 7,481.87 × 3,755.23
  4. Step 4: Simplify right side
    4,991.80x = 28,096,161.42
  5. Step 5: Solve for x
    x = 28,096,161.42/4,991.80
  6. Step 6: Final answer
    x = 5,628.47

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1.5x scale

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.