Home / 5,190.28-7,162.60-2,832.44

Finding the Fourth Proportional to 5,190.28, 7,162.60 and 2,832.44

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Solution

The fourth proportional to 5,190.28, 7,162.60 and 2,832.44 is: 3,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.28 : 7,162.60 = 2,832.44 : x
  2. Step 2: Convert to fraction form
    5,190.28/7,162.60 = 2,832.44/x
  3. Step 3: Cross multiply
    5,190.28x = 7,162.60 × 2,832.44
  4. Step 4: Simplify right side
    5,190.28x = 20,287,634.74
  5. Step 5: Solve for x
    x = 20,287,634.74/5,190.28
  6. Step 6: Final answer
    x = 3,908.77

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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.