Home / 5,190.48-7,163.03-2,832.64

Finding the Fourth Proportional to 5,190.48, 7,163.03 and 2,832.64

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Solution

The fourth proportional to 5,190.48, 7,163.03 and 2,832.64 is: 3,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.48 : 7,163.03 = 2,832.64 : x
  2. Step 2: Convert to fraction form
    5,190.48/7,163.03 = 2,832.64/x
  3. Step 3: Cross multiply
    5,190.48x = 7,163.03 × 2,832.64
  4. Step 4: Simplify right side
    5,190.48x = 20,290,274.47
  5. Step 5: Solve for x
    x = 20,290,274.47/5,190.48
  6. Step 6: Final answer
    x = 3,909.13

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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.