Home / 5,190.29-7,162.46-2,832.43

Finding the Fourth Proportional to 5,190.29, 7,162.46 and 2,832.43

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Solution

The fourth proportional to 5,190.29, 7,162.46 and 2,832.43 is: 3,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.29 : 7,162.46 = 2,832.43 : x
  2. Step 2: Convert to fraction form
    5,190.29/7,162.46 = 2,832.43/x
  3. Step 3: Cross multiply
    5,190.29x = 7,162.46 × 2,832.43
  4. Step 4: Simplify right side
    5,190.29x = 20,287,166.58
  5. Step 5: Solve for x
    x = 20,287,166.58/5,190.29
  6. Step 6: Final answer
    x = 3,908.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.