Home / 8,215.08-12,321.42-2,371

Finding the Fourth Proportional to 8,215.08, 12,321.42 and 2,371

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Solution

The fourth proportional to 8,215.08, 12,321.42 and 2,371 is: 3,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.08 : 12,321.42 = 2,371 : x
  2. Step 2: Convert to fraction form
    8,215.08/12,321.42 = 2,371/x
  3. Step 3: Cross multiply
    8,215.08x = 12,321.42 × 2,371
  4. Step 4: Simplify right side
    8,215.08x = 29,214,086.82
  5. Step 5: Solve for x
    x = 29,214,086.82/8,215.08
  6. Step 6: Final answer
    x = 3,556.15

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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.