Home / 8,112.28-12,163.56-2,563.24

Finding the Fourth Proportional to 8,112.28, 12,163.56 and 2,563.24

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Solution

The fourth proportional to 8,112.28, 12,163.56 and 2,563.24 is: 3,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.28 : 12,163.56 = 2,563.24 : x
  2. Step 2: Convert to fraction form
    8,112.28/12,163.56 = 2,563.24/x
  3. Step 3: Cross multiply
    8,112.28x = 12,163.56 × 2,563.24
  4. Step 4: Simplify right side
    8,112.28x = 31,178,123.53
  5. Step 5: Solve for x
    x = 31,178,123.53/8,112.28
  6. Step 6: Final answer
    x = 3,843.32

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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.