Home / 8,722.17-13,083.11-2,148.41

Finding the Fourth Proportional to 8,722.17, 13,083.11 and 2,148.41

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Solution

The fourth proportional to 8,722.17, 13,083.11 and 2,148.41 is: 3,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.17 : 13,083.11 = 2,148.41 : x
  2. Step 2: Convert to fraction form
    8,722.17/13,083.11 = 2,148.41/x
  3. Step 3: Cross multiply
    8,722.17x = 13,083.11 × 2,148.41
  4. Step 4: Simplify right side
    8,722.17x = 28,107,884.36
  5. Step 5: Solve for x
    x = 28,107,884.36/8,722.17
  6. Step 6: Final answer
    x = 3,222.58

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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.