Home / 5,190.09-7,786.48-1,492.62

Finding the Fourth Proportional to 5,190.09, 7,786.48 and 1,492.62

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Solution

The fourth proportional to 5,190.09, 7,786.48 and 1,492.62 is: 2,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.09 : 7,786.48 = 1,492.62 : x
  2. Step 2: Convert to fraction form
    5,190.09/7,786.48 = 1,492.62/x
  3. Step 3: Cross multiply
    5,190.09x = 7,786.48 × 1,492.62
  4. Step 4: Simplify right side
    5,190.09x = 11,622,255.78
  5. Step 5: Solve for x
    x = 11,622,255.78/5,190.09
  6. Step 6: Final answer
    x = 2,239.32

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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.