Home / 8,755.36-13,133.90-3,489.14

Finding the Fourth Proportional to 8,755.36, 13,133.90 and 3,489.14

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Solution

The fourth proportional to 8,755.36, 13,133.90 and 3,489.14 is: 5,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.36 : 13,133.90 = 3,489.14 : x
  2. Step 2: Convert to fraction form
    8,755.36/13,133.90 = 3,489.14/x
  3. Step 3: Cross multiply
    8,755.36x = 13,133.90 × 3,489.14
  4. Step 4: Simplify right side
    8,755.36x = 45,826,015.85
  5. Step 5: Solve for x
    x = 45,826,015.85/8,755.36
  6. Step 6: Final answer
    x = 5,234.05

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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.