Home / 8,146.66-12,221.98-2,600.01

Finding the Fourth Proportional to 8,146.66, 12,221.98 and 2,600.01

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Solution

The fourth proportional to 8,146.66, 12,221.98 and 2,600.01 is: 3,900.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.66 : 12,221.98 = 2,600.01 : x
  2. Step 2: Convert to fraction form
    8,146.66/12,221.98 = 2,600.01/x
  3. Step 3: Cross multiply
    8,146.66x = 12,221.98 × 2,600.01
  4. Step 4: Simplify right side
    8,146.66x = 31,777,270.22
  5. Step 5: Solve for x
    x = 31,777,270.22/8,146.66
  6. Step 6: Final answer
    x = 3,900.65

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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.