Home / 5,190.38-7,162.47-2,952.22

Finding the Fourth Proportional to 5,190.38, 7,162.47 and 2,952.22

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Solution

The fourth proportional to 5,190.38, 7,162.47 and 2,952.22 is: 4,073.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.38 : 7,162.47 = 2,952.22 : x
  2. Step 2: Convert to fraction form
    5,190.38/7,162.47 = 2,952.22/x
  3. Step 3: Cross multiply
    5,190.38x = 7,162.47 × 2,952.22
  4. Step 4: Simplify right side
    5,190.38x = 21,145,187.18
  5. Step 5: Solve for x
    x = 21,145,187.18/5,190.38
  6. Step 6: Final answer
    x = 4,073.92

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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.