Home / 8,683.82-13,026.34-3,489.70

Finding the Fourth Proportional to 8,683.82, 13,026.34 and 3,489.70

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Solution

The fourth proportional to 8,683.82, 13,026.34 and 3,489.70 is: 5,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.82 : 13,026.34 = 3,489.70 : x
  2. Step 2: Convert to fraction form
    8,683.82/13,026.34 = 3,489.70/x
  3. Step 3: Cross multiply
    8,683.82x = 13,026.34 × 3,489.70
  4. Step 4: Simplify right side
    8,683.82x = 45,458,018.70
  5. Step 5: Solve for x
    x = 45,458,018.70/8,683.82
  6. Step 6: Final answer
    x = 5,234.80

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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.