Home / 9,020.88-13,532.62-2,781.42

Finding the Fourth Proportional to 9,020.88, 13,532.62 and 2,781.42

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Solution

The fourth proportional to 9,020.88, 13,532.62 and 2,781.42 is: 4,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.88 : 13,532.62 = 2,781.42 : x
  2. Step 2: Convert to fraction form
    9,020.88/13,532.62 = 2,781.42/x
  3. Step 3: Cross multiply
    9,020.88x = 13,532.62 × 2,781.42
  4. Step 4: Simplify right side
    9,020.88x = 37,639,899.92
  5. Step 5: Solve for x
    x = 37,639,899.92/9,020.88
  6. Step 6: Final answer
    x = 4,172.53

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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.