Home / 5,488.90-8,219.25-3,020.96

Finding the Fourth Proportional to 5,488.90, 8,219.25 and 3,020.96

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Solution

The fourth proportional to 5,488.90, 8,219.25 and 3,020.96 is: 4,523.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.90 : 8,219.25 = 3,020.96 : x
  2. Step 2: Convert to fraction form
    5,488.90/8,219.25 = 3,020.96/x
  3. Step 3: Cross multiply
    5,488.90x = 8,219.25 × 3,020.96
  4. Step 4: Simplify right side
    5,488.90x = 24,830,046.03
  5. Step 5: Solve for x
    x = 24,830,046.03/5,488.90
  6. Step 6: Final answer
    x = 4,523.69

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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.