Home / 8,571.28-12,847.56-3,371.44

Finding the Fourth Proportional to 8,571.28, 12,847.56 and 3,371.44

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Solution

The fourth proportional to 8,571.28, 12,847.56 and 3,371.44 is: 5,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571.28 : 12,847.56 = 3,371.44 : x
  2. Step 2: Convert to fraction form
    8,571.28/12,847.56 = 3,371.44/x
  3. Step 3: Cross multiply
    8,571.28x = 12,847.56 × 3,371.44
  4. Step 4: Simplify right side
    8,571.28x = 43,314,777.69
  5. Step 5: Solve for x
    x = 43,314,777.69/8,571.28
  6. Step 6: Final answer
    x = 5,053.48

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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.