Home / 5,515.08-8,273.43-3,433.38

Finding the Fourth Proportional to 5,515.08, 8,273.43 and 3,433.38

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Solution

The fourth proportional to 5,515.08, 8,273.43 and 3,433.38 is: 5,150.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.08 : 8,273.43 = 3,433.38 : x
  2. Step 2: Convert to fraction form
    5,515.08/8,273.43 = 3,433.38/x
  3. Step 3: Cross multiply
    5,515.08x = 8,273.43 × 3,433.38
  4. Step 4: Simplify right side
    5,515.08x = 28,405,829.09
  5. Step 5: Solve for x
    x = 28,405,829.09/5,515.08
  6. Step 6: Final answer
    x = 5,150.57

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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.