Home / 5,505.08-8,261.22-2,217.56

Finding the Fourth Proportional to 5,505.08, 8,261.22 and 2,217.56

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Solution

The fourth proportional to 5,505.08, 8,261.22 and 2,217.56 is: 3,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.08 : 8,261.22 = 2,217.56 : x
  2. Step 2: Convert to fraction form
    5,505.08/8,261.22 = 2,217.56/x
  3. Step 3: Cross multiply
    5,505.08x = 8,261.22 × 2,217.56
  4. Step 4: Simplify right side
    5,505.08x = 18,319,751.02
  5. Step 5: Solve for x
    x = 18,319,751.02/5,505.08
  6. Step 6: Final answer
    x = 3,327.79

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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.