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Finding the Fourth Proportional to 7,272.54, 10,910.94 and 2,342.07

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Solution

The fourth proportional to 7,272.54, 10,910.94 and 2,342.07 is: 3,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.54 : 10,910.94 = 2,342.07 : x
  2. Step 2: Convert to fraction form
    7,272.54/10,910.94 = 2,342.07/x
  3. Step 3: Cross multiply
    7,272.54x = 10,910.94 × 2,342.07
  4. Step 4: Simplify right side
    7,272.54x = 25,554,185.25
  5. Step 5: Solve for x
    x = 25,554,185.25/7,272.54
  6. Step 6: Final answer
    x = 3,513.79

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1.5x scale

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.