Home / 4,791.74-7,190.40-2,018.22

Finding the Fourth Proportional to 4,791.74, 7,190.40 and 2,018.22

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Solution

The fourth proportional to 4,791.74, 7,190.40 and 2,018.22 is: 3,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.74 : 7,190.40 = 2,018.22 : x
  2. Step 2: Convert to fraction form
    4,791.74/7,190.40 = 2,018.22/x
  3. Step 3: Cross multiply
    4,791.74x = 7,190.40 × 2,018.22
  4. Step 4: Simplify right side
    4,791.74x = 14,511,809.09
  5. Step 5: Solve for x
    x = 14,511,809.09/4,791.74
  6. Step 6: Final answer
    x = 3,028.51

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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.