Home / 5,190.86-7,163.44-2,832.96

Finding the Fourth Proportional to 5,190.86, 7,163.44 and 2,832.96

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Solution

The fourth proportional to 5,190.86, 7,163.44 and 2,832.96 is: 3,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.86 : 7,163.44 = 2,832.96 : x
  2. Step 2: Convert to fraction form
    5,190.86/7,163.44 = 2,832.96/x
  3. Step 3: Cross multiply
    5,190.86x = 7,163.44 × 2,832.96
  4. Step 4: Simplify right side
    5,190.86x = 20,293,738.98
  5. Step 5: Solve for x
    x = 20,293,738.98/5,190.86
  6. Step 6: Final answer
    x = 3,909.51

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1.5x scale

Why These Related Problems?

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