Home / 8,170.85-12,256.70-2,623.76

Finding the Fourth Proportional to 8,170.85, 12,256.70 and 2,623.76

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Solution

The fourth proportional to 8,170.85, 12,256.70 and 2,623.76 is: 3,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.85 : 12,256.70 = 2,623.76 : x
  2. Step 2: Convert to fraction form
    8,170.85/12,256.70 = 2,623.76/x
  3. Step 3: Cross multiply
    8,170.85x = 12,256.70 × 2,623.76
  4. Step 4: Simplify right side
    8,170.85x = 32,158,640.97
  5. Step 5: Solve for x
    x = 32,158,640.97/8,170.85
  6. Step 6: Final answer
    x = 3,935.78

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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.