Home / 7,127.94-10,683.72-2,743.14

Finding the Fourth Proportional to 7,127.94, 10,683.72 and 2,743.14

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Solution

The fourth proportional to 7,127.94, 10,683.72 and 2,743.14 is: 4,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.94 : 10,683.72 = 2,743.14 : x
  2. Step 2: Convert to fraction form
    7,127.94/10,683.72 = 2,743.14/x
  3. Step 3: Cross multiply
    7,127.94x = 10,683.72 × 2,743.14
  4. Step 4: Simplify right side
    7,127.94x = 29,306,939.68
  5. Step 5: Solve for x
    x = 29,306,939.68/7,127.94
  6. Step 6: Final answer
    x = 4,111.56

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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.