Home / 5,190.56-7,162.94-2,832.80

Finding the Fourth Proportional to 5,190.56, 7,162.94 and 2,832.80

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Solution

The fourth proportional to 5,190.56, 7,162.94 and 2,832.80 is: 3,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.56 : 7,162.94 = 2,832.80 : x
  2. Step 2: Convert to fraction form
    5,190.56/7,162.94 = 2,832.80/x
  3. Step 3: Cross multiply
    5,190.56x = 7,162.94 × 2,832.80
  4. Step 4: Simplify right side
    5,190.56x = 20,291,176.43
  5. Step 5: Solve for x
    x = 20,291,176.43/5,190.56
  6. Step 6: Final answer
    x = 3,909.25

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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.