Home / 5,171.46-7,137.35-2,933.90

Finding the Fourth Proportional to 5,171.46, 7,137.35 and 2,933.90

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Solution

The fourth proportional to 5,171.46, 7,137.35 and 2,933.90 is: 4,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.46 : 7,137.35 = 2,933.90 : x
  2. Step 2: Convert to fraction form
    5,171.46/7,137.35 = 2,933.90/x
  3. Step 3: Cross multiply
    5,171.46x = 7,137.35 × 2,933.90
  4. Step 4: Simplify right side
    5,171.46x = 20,940,220.81
  5. Step 5: Solve for x
    x = 20,940,220.81/5,171.46
  6. Step 6: Final answer
    x = 4,049.19

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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.