Home / 5,481.88-8,208.24-4,388.38

Finding the Fourth Proportional to 5,481.88, 8,208.24 and 4,388.38

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Solution

The fourth proportional to 5,481.88, 8,208.24 and 4,388.38 is: 6,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.88 : 8,208.24 = 4,388.38 : x
  2. Step 2: Convert to fraction form
    5,481.88/8,208.24 = 4,388.38/x
  3. Step 3: Cross multiply
    5,481.88x = 8,208.24 × 4,388.38
  4. Step 4: Simplify right side
    5,481.88x = 36,020,839.27
  5. Step 5: Solve for x
    x = 36,020,839.27/5,481.88
  6. Step 6: Final answer
    x = 6,570.89

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1.5x scale

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.