Home / 9,020.68-13,524.54-4,087.78

Finding the Fourth Proportional to 9,020.68, 13,524.54 and 4,087.78

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Solution

The fourth proportional to 9,020.68, 13,524.54 and 4,087.78 is: 6,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.68 : 13,524.54 = 4,087.78 : x
  2. Step 2: Convert to fraction form
    9,020.68/13,524.54 = 4,087.78/x
  3. Step 3: Cross multiply
    9,020.68x = 13,524.54 × 4,087.78
  4. Step 4: Simplify right side
    9,020.68x = 55,285,344.12
  5. Step 5: Solve for x
    x = 55,285,344.12/9,020.68
  6. Step 6: Final answer
    x = 6,128.73

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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.