Home / 8,115.32-12,173.06-2,568.56

Finding the Fourth Proportional to 8,115.32, 12,173.06 and 2,568.56

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Solution

The fourth proportional to 8,115.32, 12,173.06 and 2,568.56 is: 3,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.32 : 12,173.06 = 2,568.56 : x
  2. Step 2: Convert to fraction form
    8,115.32/12,173.06 = 2,568.56/x
  3. Step 3: Cross multiply
    8,115.32x = 12,173.06 × 2,568.56
  4. Step 4: Simplify right side
    8,115.32x = 31,267,234.99
  5. Step 5: Solve for x
    x = 31,267,234.99/8,115.32
  6. Step 6: Final answer
    x = 3,852.87

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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.