Home / 8,374.08-12,553.72-3,183.60

Finding the Fourth Proportional to 8,374.08, 12,553.72 and 3,183.60

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Solution

The fourth proportional to 8,374.08, 12,553.72 and 3,183.60 is: 4,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.08 : 12,553.72 = 3,183.60 : x
  2. Step 2: Convert to fraction form
    8,374.08/12,553.72 = 3,183.60/x
  3. Step 3: Cross multiply
    8,374.08x = 12,553.72 × 3,183.60
  4. Step 4: Simplify right side
    8,374.08x = 39,966,022.99
  5. Step 5: Solve for x
    x = 39,966,022.99/8,374.08
  6. Step 6: Final answer
    x = 4,772.59

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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.