Home / 7,342.92-11,014.38-2,147.58

Finding the Fourth Proportional to 7,342.92, 11,014.38 and 2,147.58

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Solution

The fourth proportional to 7,342.92, 11,014.38 and 2,147.58 is: 3,221.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.92 : 11,014.38 = 2,147.58 : x
  2. Step 2: Convert to fraction form
    7,342.92/11,014.38 = 2,147.58/x
  3. Step 3: Cross multiply
    7,342.92x = 11,014.38 × 2,147.58
  4. Step 4: Simplify right side
    7,342.92x = 23,654,262.20
  5. Step 5: Solve for x
    x = 23,654,262.20/7,342.92
  6. Step 6: Final answer
    x = 3,221.37

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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.