Home / 8,814.28-13,212.78-3,623.08

Finding the Fourth Proportional to 8,814.28, 13,212.78 and 3,623.08

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Solution

The fourth proportional to 8,814.28, 13,212.78 and 3,623.08 is: 5,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.28 : 13,212.78 = 3,623.08 : x
  2. Step 2: Convert to fraction form
    8,814.28/13,212.78 = 3,623.08/x
  3. Step 3: Cross multiply
    8,814.28x = 13,212.78 × 3,623.08
  4. Step 4: Simplify right side
    8,814.28x = 47,870,958.96
  5. Step 5: Solve for x
    x = 47,870,958.96/8,814.28
  6. Step 6: Final answer
    x = 5,431.07

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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.