Home / 8,108.08-12,156.20-5,469.02

Finding the Fourth Proportional to 8,108.08, 12,156.20 and 5,469.02

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Solution

The fourth proportional to 8,108.08, 12,156.20 and 5,469.02 is: 8,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.08 : 12,156.20 = 5,469.02 : x
  2. Step 2: Convert to fraction form
    8,108.08/12,156.20 = 5,469.02/x
  3. Step 3: Cross multiply
    8,108.08x = 12,156.20 × 5,469.02
  4. Step 4: Simplify right side
    8,108.08x = 66,482,500.92
  5. Step 5: Solve for x
    x = 66,482,500.92/8,108.08
  6. Step 6: Final answer
    x = 8,199.54

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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.