Home / 5,505.96-8,259.21-2,218.61

Finding the Fourth Proportional to 5,505.96, 8,259.21 and 2,218.61

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Solution

The fourth proportional to 5,505.96, 8,259.21 and 2,218.61 is: 3,328.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.96 : 8,259.21 = 2,218.61 : x
  2. Step 2: Convert to fraction form
    5,505.96/8,259.21 = 2,218.61/x
  3. Step 3: Cross multiply
    5,505.96x = 8,259.21 × 2,218.61
  4. Step 4: Simplify right side
    5,505.96x = 18,323,965.90
  5. Step 5: Solve for x
    x = 18,323,965.90/5,505.96
  6. Step 6: Final answer
    x = 3,328.02

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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.