Home / 8,076.11-12,107.18-2,810.43

Finding the Fourth Proportional to 8,076.11, 12,107.18 and 2,810.43

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Solution

The fourth proportional to 8,076.11, 12,107.18 and 2,810.43 is: 4,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.11 : 12,107.18 = 2,810.43 : x
  2. Step 2: Convert to fraction form
    8,076.11/12,107.18 = 2,810.43/x
  3. Step 3: Cross multiply
    8,076.11x = 12,107.18 × 2,810.43
  4. Step 4: Simplify right side
    8,076.11x = 34,026,388.91
  5. Step 5: Solve for x
    x = 34,026,388.91/8,076.11
  6. Step 6: Final answer
    x = 4,213.22

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1.5x scale

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.