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Finding the Fourth Proportional to 8,992.44, 13,494.72 and 3,149.10

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Solution

The fourth proportional to 8,992.44, 13,494.72 and 3,149.10 is: 4,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.44 : 13,494.72 = 3,149.10 : x
  2. Step 2: Convert to fraction form
    8,992.44/13,494.72 = 3,149.10/x
  3. Step 3: Cross multiply
    8,992.44x = 13,494.72 × 3,149.10
  4. Step 4: Simplify right side
    8,992.44x = 42,496,222.75
  5. Step 5: Solve for x
    x = 42,496,222.75/8,992.44
  6. Step 6: Final answer
    x = 4,725.77

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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.