Home / 8,513.43-12,765.70-3,829.38

Finding the Fourth Proportional to 8,513.43, 12,765.70 and 3,829.38

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Solution

The fourth proportional to 8,513.43, 12,765.70 and 3,829.38 is: 5,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.43 : 12,765.70 = 3,829.38 : x
  2. Step 2: Convert to fraction form
    8,513.43/12,765.70 = 3,829.38/x
  3. Step 3: Cross multiply
    8,513.43x = 12,765.70 × 3,829.38
  4. Step 4: Simplify right side
    8,513.43x = 48,884,716.27
  5. Step 5: Solve for x
    x = 48,884,716.27/8,513.43
  6. Step 6: Final answer
    x = 5,742.07

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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.