Home / 8,105.08-12,179.60-4,410.04

Finding the Fourth Proportional to 8,105.08, 12,179.60 and 4,410.04

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Solution

The fourth proportional to 8,105.08, 12,179.60 and 4,410.04 is: 6,627.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.08 : 12,179.60 = 4,410.04 : x
  2. Step 2: Convert to fraction form
    8,105.08/12,179.60 = 4,410.04/x
  3. Step 3: Cross multiply
    8,105.08x = 12,179.60 × 4,410.04
  4. Step 4: Simplify right side
    8,105.08x = 53,712,523.18
  5. Step 5: Solve for x
    x = 53,712,523.18/8,105.08
  6. Step 6: Final answer
    x = 6,627.02

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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.