Home / 8,171.15-12,256.41-2,327.75

Finding the Fourth Proportional to 8,171.15, 12,256.41 and 2,327.75

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Solution

The fourth proportional to 8,171.15, 12,256.41 and 2,327.75 is: 3,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.15 : 12,256.41 = 2,327.75 : x
  2. Step 2: Convert to fraction form
    8,171.15/12,256.41 = 2,327.75/x
  3. Step 3: Cross multiply
    8,171.15x = 12,256.41 × 2,327.75
  4. Step 4: Simplify right side
    8,171.15x = 28,529,797.10
  5. Step 5: Solve for x
    x = 28,529,797.10/8,171.15
  6. Step 6: Final answer
    x = 3,491.53

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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.