Home / 4,754.26-7,127.04-2,120.38

Finding the Fourth Proportional to 4,754.26, 7,127.04 and 2,120.38

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Solution

The fourth proportional to 4,754.26, 7,127.04 and 2,120.38 is: 3,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.26 : 7,127.04 = 2,120.38 : x
  2. Step 2: Convert to fraction form
    4,754.26/7,127.04 = 2,120.38/x
  3. Step 3: Cross multiply
    4,754.26x = 7,127.04 × 2,120.38
  4. Step 4: Simplify right side
    4,754.26x = 15,112,033.08
  5. Step 5: Solve for x
    x = 15,112,033.08/4,754.26
  6. Step 6: Final answer
    x = 3,178.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.