Home / 7,465.68-11,198.25-3,079.86

Finding the Fourth Proportional to 7,465.68, 11,198.25 and 3,079.86

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Solution

The fourth proportional to 7,465.68, 11,198.25 and 3,079.86 is: 4,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465.68 : 11,198.25 = 3,079.86 : x
  2. Step 2: Convert to fraction form
    7,465.68/11,198.25 = 3,079.86/x
  3. Step 3: Cross multiply
    7,465.68x = 11,198.25 × 3,079.86
  4. Step 4: Simplify right side
    7,465.68x = 34,489,042.25
  5. Step 5: Solve for x
    x = 34,489,042.25/7,465.68
  6. Step 6: Final answer
    x = 4,619.68

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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.