Home / 8,839.56-13,249.26-3,639

Finding the Fourth Proportional to 8,839.56, 13,249.26 and 3,639

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Solution

The fourth proportional to 8,839.56, 13,249.26 and 3,639 is: 5,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.56 : 13,249.26 = 3,639 : x
  2. Step 2: Convert to fraction form
    8,839.56/13,249.26 = 3,639/x
  3. Step 3: Cross multiply
    8,839.56x = 13,249.26 × 3,639
  4. Step 4: Simplify right side
    8,839.56x = 48,214,057.14
  5. Step 5: Solve for x
    x = 48,214,057.14/8,839.56
  6. Step 6: Final answer
    x = 5,454.35

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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.