Home / 9,220.22-13,836.47-4,781.97

Finding the Fourth Proportional to 9,220.22, 13,836.47 and 4,781.97

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Solution

The fourth proportional to 9,220.22, 13,836.47 and 4,781.97 is: 7,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.22 : 13,836.47 = 4,781.97 : x
  2. Step 2: Convert to fraction form
    9,220.22/13,836.47 = 4,781.97/x
  3. Step 3: Cross multiply
    9,220.22x = 13,836.47 × 4,781.97
  4. Step 4: Simplify right side
    9,220.22x = 66,165,628.32
  5. Step 5: Solve for x
    x = 66,165,628.32/9,220.22
  6. Step 6: Final answer
    x = 7,176.15

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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.