Home / 5,480.58-8,222.15-1,584.88

Finding the Fourth Proportional to 5,480.58, 8,222.15 and 1,584.88

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Solution

The fourth proportional to 5,480.58, 8,222.15 and 1,584.88 is: 2,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.58 : 8,222.15 = 1,584.88 : x
  2. Step 2: Convert to fraction form
    5,480.58/8,222.15 = 1,584.88/x
  3. Step 3: Cross multiply
    5,480.58x = 8,222.15 × 1,584.88
  4. Step 4: Simplify right side
    5,480.58x = 13,031,121.09
  5. Step 5: Solve for x
    x = 13,031,121.09/5,480.58
  6. Step 6: Final answer
    x = 2,377.69

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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.