Home / 8,481.22-12,717.78-2,637.88

Finding the Fourth Proportional to 8,481.22, 12,717.78 and 2,637.88

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Solution

The fourth proportional to 8,481.22, 12,717.78 and 2,637.88 is: 3,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.22 : 12,717.78 = 2,637.88 : x
  2. Step 2: Convert to fraction form
    8,481.22/12,717.78 = 2,637.88/x
  3. Step 3: Cross multiply
    8,481.22x = 12,717.78 × 2,637.88
  4. Step 4: Simplify right side
    8,481.22x = 33,547,977.51
  5. Step 5: Solve for x
    x = 33,547,977.51/8,481.22
  6. Step 6: Final answer
    x = 3,955.56

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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.