Home / 8,387.08-12,582.48-3,193

Finding the Fourth Proportional to 8,387.08, 12,582.48 and 3,193

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Solution

The fourth proportional to 8,387.08, 12,582.48 and 3,193 is: 4,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.08 : 12,582.48 = 3,193 : x
  2. Step 2: Convert to fraction form
    8,387.08/12,582.48 = 3,193/x
  3. Step 3: Cross multiply
    8,387.08x = 12,582.48 × 3,193
  4. Step 4: Simplify right side
    8,387.08x = 40,175,858.64
  5. Step 5: Solve for x
    x = 40,175,858.64/8,387.08
  6. Step 6: Final answer
    x = 4,790.21

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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.