Home / 8,168.22-12,252.87-3,485.61

Finding the Fourth Proportional to 8,168.22, 12,252.87 and 3,485.61

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Solution

The fourth proportional to 8,168.22, 12,252.87 and 3,485.61 is: 5,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.22 : 12,252.87 = 3,485.61 : x
  2. Step 2: Convert to fraction form
    8,168.22/12,252.87 = 3,485.61/x
  3. Step 3: Cross multiply
    8,168.22x = 12,252.87 × 3,485.61
  4. Step 4: Simplify right side
    8,168.22x = 42,708,726.20
  5. Step 5: Solve for x
    x = 42,708,726.20/8,168.22
  6. Step 6: Final answer
    x = 5,228.65

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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.