Home / 5,190.42-7,162.80-2,832.62

Finding the Fourth Proportional to 5,190.42, 7,162.80 and 2,832.62

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Solution

The fourth proportional to 5,190.42, 7,162.80 and 2,832.62 is: 3,909.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.42 : 7,162.80 = 2,832.62 : x
  2. Step 2: Convert to fraction form
    5,190.42/7,162.80 = 2,832.62/x
  3. Step 3: Cross multiply
    5,190.42x = 7,162.80 × 2,832.62
  4. Step 4: Simplify right side
    5,190.42x = 20,289,454.72
  5. Step 5: Solve for x
    x = 20,289,454.72/5,190.42
  6. Step 6: Final answer
    x = 3,909.02

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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.