Home / 8,789.91-13,183.88-2,216.09

Finding the Fourth Proportional to 8,789.91, 13,183.88 and 2,216.09

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Solution

The fourth proportional to 8,789.91, 13,183.88 and 2,216.09 is: 3,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.91 : 13,183.88 = 2,216.09 : x
  2. Step 2: Convert to fraction form
    8,789.91/13,183.88 = 2,216.09/x
  3. Step 3: Cross multiply
    8,789.91x = 13,183.88 × 2,216.09
  4. Step 4: Simplify right side
    8,789.91x = 29,216,664.63
  5. Step 5: Solve for x
    x = 29,216,664.63/8,789.91
  6. Step 6: Final answer
    x = 3,323.89

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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.