Home / 5,190.74-7,163.19-2,832.86

Finding the Fourth Proportional to 5,190.74, 7,163.19 and 2,832.86

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Solution

The fourth proportional to 5,190.74, 7,163.19 and 2,832.86 is: 3,909.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.74 : 7,163.19 = 2,832.86 : x
  2. Step 2: Convert to fraction form
    5,190.74/7,163.19 = 2,832.86/x
  3. Step 3: Cross multiply
    5,190.74x = 7,163.19 × 2,832.86
  4. Step 4: Simplify right side
    5,190.74x = 20,292,314.42
  5. Step 5: Solve for x
    x = 20,292,314.42/5,190.74
  6. Step 6: Final answer
    x = 3,909.33

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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.