Home / 5,454.26-8,180.79-1,505.82

Finding the Fourth Proportional to 5,454.26, 8,180.79 and 1,505.82

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Solution

The fourth proportional to 5,454.26, 8,180.79 and 1,505.82 is: 2,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.26 : 8,180.79 = 1,505.82 : x
  2. Step 2: Convert to fraction form
    5,454.26/8,180.79 = 1,505.82/x
  3. Step 3: Cross multiply
    5,454.26x = 8,180.79 × 1,505.82
  4. Step 4: Simplify right side
    5,454.26x = 12,318,771.10
  5. Step 5: Solve for x
    x = 12,318,771.10/5,454.26
  6. Step 6: Final answer
    x = 2,258.56

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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.