Home / 8,674.20-13,011.33-2,100.38

Finding the Fourth Proportional to 8,674.20, 13,011.33 and 2,100.38

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Solution

The fourth proportional to 8,674.20, 13,011.33 and 2,100.38 is: 3,150.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.20 : 13,011.33 = 2,100.38 : x
  2. Step 2: Convert to fraction form
    8,674.20/13,011.33 = 2,100.38/x
  3. Step 3: Cross multiply
    8,674.20x = 13,011.33 × 2,100.38
  4. Step 4: Simplify right side
    8,674.20x = 27,328,672.25
  5. Step 5: Solve for x
    x = 27,328,672.25/8,674.20
  6. Step 6: Final answer
    x = 3,150.57

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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.