Home / 5,480.26-8,221.70-1,584.56

Finding the Fourth Proportional to 5,480.26, 8,221.70 and 1,584.56

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Solution

The fourth proportional to 5,480.26, 8,221.70 and 1,584.56 is: 2,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.26 : 8,221.70 = 1,584.56 : x
  2. Step 2: Convert to fraction form
    5,480.26/8,221.70 = 1,584.56/x
  3. Step 3: Cross multiply
    5,480.26x = 8,221.70 × 1,584.56
  4. Step 4: Simplify right side
    5,480.26x = 13,027,801.47
  5. Step 5: Solve for x
    x = 13,027,801.47/5,480.26
  6. Step 6: Final answer
    x = 2,377.22

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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.