Home / 8,267.47-12,397.07-2,644.41

Finding the Fourth Proportional to 8,267.47, 12,397.07 and 2,644.41

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Solution

The fourth proportional to 8,267.47, 12,397.07 and 2,644.41 is: 3,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.47 : 12,397.07 = 2,644.41 : x
  2. Step 2: Convert to fraction form
    8,267.47/12,397.07 = 2,644.41/x
  3. Step 3: Cross multiply
    8,267.47x = 12,397.07 × 2,644.41
  4. Step 4: Simplify right side
    8,267.47x = 32,782,935.88
  5. Step 5: Solve for x
    x = 32,782,935.88/8,267.47
  6. Step 6: Final answer
    x = 3,965.29

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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.