Home / 8,181.72-12,273.48-3,800.52

Finding the Fourth Proportional to 8,181.72, 12,273.48 and 3,800.52

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Solution

The fourth proportional to 8,181.72, 12,273.48 and 3,800.52 is: 5,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.72 : 12,273.48 = 3,800.52 : x
  2. Step 2: Convert to fraction form
    8,181.72/12,273.48 = 3,800.52/x
  3. Step 3: Cross multiply
    8,181.72x = 12,273.48 × 3,800.52
  4. Step 4: Simplify right side
    8,181.72x = 46,645,606.21
  5. Step 5: Solve for x
    x = 46,645,606.21/8,181.72
  6. Step 6: Final answer
    x = 5,701.20

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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.