Home / 8,633.73-12,953.34-3,086.96

Finding the Fourth Proportional to 8,633.73, 12,953.34 and 3,086.96

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Solution

The fourth proportional to 8,633.73, 12,953.34 and 3,086.96 is: 4,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.73 : 12,953.34 = 3,086.96 : x
  2. Step 2: Convert to fraction form
    8,633.73/12,953.34 = 3,086.96/x
  3. Step 3: Cross multiply
    8,633.73x = 12,953.34 × 3,086.96
  4. Step 4: Simplify right side
    8,633.73x = 39,986,377.68
  5. Step 5: Solve for x
    x = 39,986,377.68/8,633.73
  6. Step 6: Final answer
    x = 4,631.41

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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.