Home / 8,789.28-13,183.90-2,215.98

Finding the Fourth Proportional to 8,789.28, 13,183.90 and 2,215.98

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Solution

The fourth proportional to 8,789.28, 13,183.90 and 2,215.98 is: 3,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.28 : 13,183.90 = 2,215.98 : x
  2. Step 2: Convert to fraction form
    8,789.28/13,183.90 = 2,215.98/x
  3. Step 3: Cross multiply
    8,789.28x = 13,183.90 × 2,215.98
  4. Step 4: Simplify right side
    8,789.28x = 29,215,258.72
  5. Step 5: Solve for x
    x = 29,215,258.72/8,789.28
  6. Step 6: Final answer
    x = 3,323.96

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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.