Home / 8,170.36-12,255.69-2,327.12

Finding the Fourth Proportional to 8,170.36, 12,255.69 and 2,327.12

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Solution

The fourth proportional to 8,170.36, 12,255.69 and 2,327.12 is: 3,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.36 : 12,255.69 = 2,327.12 : x
  2. Step 2: Convert to fraction form
    8,170.36/12,255.69 = 2,327.12/x
  3. Step 3: Cross multiply
    8,170.36x = 12,255.69 × 2,327.12
  4. Step 4: Simplify right side
    8,170.36x = 28,520,491.95
  5. Step 5: Solve for x
    x = 28,520,491.95/8,170.36
  6. Step 6: Final answer
    x = 3,490.73

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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.