Home / 8,102.24-12,146.52-4,194.80

Finding the Fourth Proportional to 8,102.24, 12,146.52 and 4,194.80

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Solution

The fourth proportional to 8,102.24, 12,146.52 and 4,194.80 is: 6,288.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.24 : 12,146.52 = 4,194.80 : x
  2. Step 2: Convert to fraction form
    8,102.24/12,146.52 = 4,194.80/x
  3. Step 3: Cross multiply
    8,102.24x = 12,146.52 × 4,194.80
  4. Step 4: Simplify right side
    8,102.24x = 50,952,222.10
  5. Step 5: Solve for x
    x = 50,952,222.10/8,102.24
  6. Step 6: Final answer
    x = 6,288.66

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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.