Home / 8,198.39-12,300.32-2,652.52

Finding the Fourth Proportional to 8,198.39, 12,300.32 and 2,652.52

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Solution

The fourth proportional to 8,198.39, 12,300.32 and 2,652.52 is: 3,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.39 : 12,300.32 = 2,652.52 : x
  2. Step 2: Convert to fraction form
    8,198.39/12,300.32 = 2,652.52/x
  3. Step 3: Cross multiply
    8,198.39x = 12,300.32 × 2,652.52
  4. Step 4: Simplify right side
    8,198.39x = 32,626,844.81
  5. Step 5: Solve for x
    x = 32,626,844.81/8,198.39
  6. Step 6: Final answer
    x = 3,979.66

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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.