Home / 8,818.27-13,231.68-3,887.27

Finding the Fourth Proportional to 8,818.27, 13,231.68 and 3,887.27

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Solution

The fourth proportional to 8,818.27, 13,231.68 and 3,887.27 is: 5,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.27 : 13,231.68 = 3,887.27 : x
  2. Step 2: Convert to fraction form
    8,818.27/13,231.68 = 3,887.27/x
  3. Step 3: Cross multiply
    8,818.27x = 13,231.68 × 3,887.27
  4. Step 4: Simplify right side
    8,818.27x = 51,435,112.71
  5. Step 5: Solve for x
    x = 51,435,112.71/8,818.27
  6. Step 6: Final answer
    x = 5,832.79

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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.