Home / 7,426.26-11,127.67-2,739.82

Finding the Fourth Proportional to 7,426.26, 11,127.67 and 2,739.82

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Solution

The fourth proportional to 7,426.26, 11,127.67 and 2,739.82 is: 4,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.26 : 11,127.67 = 2,739.82 : x
  2. Step 2: Convert to fraction form
    7,426.26/11,127.67 = 2,739.82/x
  3. Step 3: Cross multiply
    7,426.26x = 11,127.67 × 2,739.82
  4. Step 4: Simplify right side
    7,426.26x = 30,487,812.82
  5. Step 5: Solve for x
    x = 30,487,812.82/7,426.26
  6. Step 6: Final answer
    x = 4,105.41

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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.