Home / 8,109.44-12,164.08-2,487.04

Finding the Fourth Proportional to 8,109.44, 12,164.08 and 2,487.04

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Solution

The fourth proportional to 8,109.44, 12,164.08 and 2,487.04 is: 3,730.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.44 : 12,164.08 = 2,487.04 : x
  2. Step 2: Convert to fraction form
    8,109.44/12,164.08 = 2,487.04/x
  3. Step 3: Cross multiply
    8,109.44x = 12,164.08 × 2,487.04
  4. Step 4: Simplify right side
    8,109.44x = 30,252,553.52
  5. Step 5: Solve for x
    x = 30,252,553.52/8,109.44
  6. Step 6: Final answer
    x = 3,730.54

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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.