Home / 8,135.44-12,207.18-3,755.92

Finding the Fourth Proportional to 8,135.44, 12,207.18 and 3,755.92

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Solution

The fourth proportional to 8,135.44, 12,207.18 and 3,755.92 is: 5,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.44 : 12,207.18 = 3,755.92 : x
  2. Step 2: Convert to fraction form
    8,135.44/12,207.18 = 3,755.92/x
  3. Step 3: Cross multiply
    8,135.44x = 12,207.18 × 3,755.92
  4. Step 4: Simplify right side
    8,135.44x = 45,849,191.51
  5. Step 5: Solve for x
    x = 45,849,191.51/8,135.44
  6. Step 6: Final answer
    x = 5,635.74

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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.