Home / 8,151.88-11,249.63-4,794.83

Finding the Fourth Proportional to 8,151.88, 11,249.63 and 4,794.83

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Solution

The fourth proportional to 8,151.88, 11,249.63 and 4,794.83 is: 6,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.88 : 11,249.63 = 4,794.83 : x
  2. Step 2: Convert to fraction form
    8,151.88/11,249.63 = 4,794.83/x
  3. Step 3: Cross multiply
    8,151.88x = 11,249.63 × 4,794.83
  4. Step 4: Simplify right side
    8,151.88x = 53,940,063.41
  5. Step 5: Solve for x
    x = 53,940,063.41/8,151.88
  6. Step 6: Final answer
    x = 6,616.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.