Home / 5,481.26-8,220.74-1,584.75

Finding the Fourth Proportional to 5,481.26, 8,220.74 and 1,584.75

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Solution

The fourth proportional to 5,481.26, 8,220.74 and 1,584.75 is: 2,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.26 : 8,220.74 = 1,584.75 : x
  2. Step 2: Convert to fraction form
    5,481.26/8,220.74 = 1,584.75/x
  3. Step 3: Cross multiply
    5,481.26x = 8,220.74 × 1,584.75
  4. Step 4: Simplify right side
    5,481.26x = 13,027,809.79
  5. Step 5: Solve for x
    x = 13,027,809.79/5,481.26
  6. Step 6: Final answer
    x = 2,376.79

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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.