Home / 8,863.62-13,296.18-2,289.72

Finding the Fourth Proportional to 8,863.62, 13,296.18 and 2,289.72

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Solution

The fourth proportional to 8,863.62, 13,296.18 and 2,289.72 is: 3,434.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.62 : 13,296.18 = 2,289.72 : x
  2. Step 2: Convert to fraction form
    8,863.62/13,296.18 = 2,289.72/x
  3. Step 3: Cross multiply
    8,863.62x = 13,296.18 × 2,289.72
  4. Step 4: Simplify right side
    8,863.62x = 30,444,529.27
  5. Step 5: Solve for x
    x = 30,444,529.27/8,863.62
  6. Step 6: Final answer
    x = 3,434.77

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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.