Home / 8,201.43-12,299.49-2,653.61

Finding the Fourth Proportional to 8,201.43, 12,299.49 and 2,653.61

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Solution

The fourth proportional to 8,201.43, 12,299.49 and 2,653.61 is: 3,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.43 : 12,299.49 = 2,653.61 : x
  2. Step 2: Convert to fraction form
    8,201.43/12,299.49 = 2,653.61/x
  3. Step 3: Cross multiply
    8,201.43x = 12,299.49 × 2,653.61
  4. Step 4: Simplify right side
    8,201.43x = 32,637,988.16
  5. Step 5: Solve for x
    x = 32,637,988.16/8,201.43
  6. Step 6: Final answer
    x = 3,979.55

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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.