Home / 8,755.37-13,132.97-2,181.50

Finding the Fourth Proportional to 8,755.37, 13,132.97 and 2,181.50

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Solution

The fourth proportional to 8,755.37, 13,132.97 and 2,181.50 is: 3,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.37 : 13,132.97 = 2,181.50 : x
  2. Step 2: Convert to fraction form
    8,755.37/13,132.97 = 2,181.50/x
  3. Step 3: Cross multiply
    8,755.37x = 13,132.97 × 2,181.50
  4. Step 4: Simplify right side
    8,755.37x = 28,649,497.48
  5. Step 5: Solve for x
    x = 28,649,497.48/8,755.37
  6. Step 6: Final answer
    x = 3,272.22

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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.