Home / 5,190.32-7,162.45-2,832.41

Finding the Fourth Proportional to 5,190.32, 7,162.45 and 2,832.41

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Solution

The fourth proportional to 5,190.32, 7,162.45 and 2,832.41 is: 3,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.32 : 7,162.45 = 2,832.41 : x
  2. Step 2: Convert to fraction form
    5,190.32/7,162.45 = 2,832.41/x
  3. Step 3: Cross multiply
    5,190.32x = 7,162.45 × 2,832.41
  4. Step 4: Simplify right side
    5,190.32x = 20,286,995.00
  5. Step 5: Solve for x
    x = 20,286,995.00/5,190.32
  6. Step 6: Final answer
    x = 3,908.62

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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.