Home / 5,190.58-7,786.32-1,493.11

Finding the Fourth Proportional to 5,190.58, 7,786.32 and 1,493.11

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Solution

The fourth proportional to 5,190.58, 7,786.32 and 1,493.11 is: 2,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.58 : 7,786.32 = 1,493.11 : x
  2. Step 2: Convert to fraction form
    5,190.58/7,786.32 = 1,493.11/x
  3. Step 3: Cross multiply
    5,190.58x = 7,786.32 × 1,493.11
  4. Step 4: Simplify right side
    5,190.58x = 11,625,832.26
  5. Step 5: Solve for x
    x = 11,625,832.26/5,190.58
  6. Step 6: Final answer
    x = 2,239.79

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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.