Home / 8,755.62-13,133.34-2,181.75

Finding the Fourth Proportional to 8,755.62, 13,133.34 and 2,181.75

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Solution

The fourth proportional to 8,755.62, 13,133.34 and 2,181.75 is: 3,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.62 : 13,133.34 = 2,181.75 : x
  2. Step 2: Convert to fraction form
    8,755.62/13,133.34 = 2,181.75/x
  3. Step 3: Cross multiply
    8,755.62x = 13,133.34 × 2,181.75
  4. Step 4: Simplify right side
    8,755.62x = 28,653,664.55
  5. Step 5: Solve for x
    x = 28,653,664.55/8,755.62
  6. Step 6: Final answer
    x = 3,272.60

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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.