Home / 9,020.82-13,532.52-2,781.36

Finding the Fourth Proportional to 9,020.82, 13,532.52 and 2,781.36

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Solution

The fourth proportional to 9,020.82, 13,532.52 and 2,781.36 is: 4,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.82 : 13,532.52 = 2,781.36 : x
  2. Step 2: Convert to fraction form
    9,020.82/13,532.52 = 2,781.36/x
  3. Step 3: Cross multiply
    9,020.82x = 13,532.52 × 2,781.36
  4. Step 4: Simplify right side
    9,020.82x = 37,638,809.83
  5. Step 5: Solve for x
    x = 37,638,809.83/9,020.82
  6. Step 6: Final answer
    x = 4,172.44

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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.