Home / 8,550.20-12,821.43-3,617.30

Finding the Fourth Proportional to 8,550.20, 12,821.43 and 3,617.30

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Solution

The fourth proportional to 8,550.20, 12,821.43 and 3,617.30 is: 5,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.20 : 12,821.43 = 3,617.30 : x
  2. Step 2: Convert to fraction form
    8,550.20/12,821.43 = 3,617.30/x
  3. Step 3: Cross multiply
    8,550.20x = 12,821.43 × 3,617.30
  4. Step 4: Simplify right side
    8,550.20x = 46,378,958.74
  5. Step 5: Solve for x
    x = 46,378,958.74/8,550.20
  6. Step 6: Final answer
    x = 5,424.31

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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.