Home / 8,674.43-13,003.66-3,126.41

Finding the Fourth Proportional to 8,674.43, 13,003.66 and 3,126.41

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Solution

The fourth proportional to 8,674.43, 13,003.66 and 3,126.41 is: 4,686.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.43 : 13,003.66 = 3,126.41 : x
  2. Step 2: Convert to fraction form
    8,674.43/13,003.66 = 3,126.41/x
  3. Step 3: Cross multiply
    8,674.43x = 13,003.66 × 3,126.41
  4. Step 4: Simplify right side
    8,674.43x = 40,654,833.46
  5. Step 5: Solve for x
    x = 40,654,833.46/8,674.43
  6. Step 6: Final answer
    x = 4,686.75

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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.