Home / 8,179.44-12,247.14-4,275.64

Finding the Fourth Proportional to 8,179.44, 12,247.14 and 4,275.64

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Solution

The fourth proportional to 8,179.44, 12,247.14 and 4,275.64 is: 6,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.44 : 12,247.14 = 4,275.64 : x
  2. Step 2: Convert to fraction form
    8,179.44/12,247.14 = 4,275.64/x
  3. Step 3: Cross multiply
    8,179.44x = 12,247.14 × 4,275.64
  4. Step 4: Simplify right side
    8,179.44x = 52,364,361.67
  5. Step 5: Solve for x
    x = 52,364,361.67/8,179.44
  6. Step 6: Final answer
    x = 6,401.95

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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.