Home / 9,220.86-13,843.58-5,479.61

Finding the Fourth Proportional to 9,220.86, 13,843.58 and 5,479.61

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Solution

The fourth proportional to 9,220.86, 13,843.58 and 5,479.61 is: 8,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.86 : 13,843.58 = 5,479.61 : x
  2. Step 2: Convert to fraction form
    9,220.86/13,843.58 = 5,479.61/x
  3. Step 3: Cross multiply
    9,220.86x = 13,843.58 × 5,479.61
  4. Step 4: Simplify right side
    9,220.86x = 75,857,322.79
  5. Step 5: Solve for x
    x = 75,857,322.79/9,220.86
  6. Step 6: Final answer
    x = 8,226.71

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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.