Home / 8,928.27-13,388.43-4,249.62

Finding the Fourth Proportional to 8,928.27, 13,388.43 and 4,249.62

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Solution

The fourth proportional to 8,928.27, 13,388.43 and 4,249.62 is: 6,372.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.27 : 13,388.43 = 4,249.62 : x
  2. Step 2: Convert to fraction form
    8,928.27/13,388.43 = 4,249.62/x
  3. Step 3: Cross multiply
    8,928.27x = 13,388.43 × 4,249.62
  4. Step 4: Simplify right side
    8,928.27x = 56,895,739.90
  5. Step 5: Solve for x
    x = 56,895,739.90/8,928.27
  6. Step 6: Final answer
    x = 6,372.54

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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.