Home / 8,792.22-13,187.86-2,218.03

Finding the Fourth Proportional to 8,792.22, 13,187.86 and 2,218.03

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Solution

The fourth proportional to 8,792.22, 13,187.86 and 2,218.03 is: 3,326.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.22 : 13,187.86 = 2,218.03 : x
  2. Step 2: Convert to fraction form
    8,792.22/13,187.86 = 2,218.03/x
  3. Step 3: Cross multiply
    8,792.22x = 13,187.86 × 2,218.03
  4. Step 4: Simplify right side
    8,792.22x = 29,251,030.60
  5. Step 5: Solve for x
    x = 29,251,030.60/8,792.22
  6. Step 6: Final answer
    x = 3,326.92

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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.