Home / 5,175.25-7,141.30-2,936.66

Finding the Fourth Proportional to 5,175.25, 7,141.30 and 2,936.66

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Solution

The fourth proportional to 5,175.25, 7,141.30 and 2,936.66 is: 4,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.25 : 7,141.30 = 2,936.66 : x
  2. Step 2: Convert to fraction form
    5,175.25/7,141.30 = 2,936.66/x
  3. Step 3: Cross multiply
    5,175.25x = 7,141.30 × 2,936.66
  4. Step 4: Simplify right side
    5,175.25x = 20,971,527.01
  5. Step 5: Solve for x
    x = 20,971,527.01/5,175.25
  6. Step 6: Final answer
    x = 4,052.28

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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.