Home / 8,677.61-13,016.46-2,103.80

Finding the Fourth Proportional to 8,677.61, 13,016.46 and 2,103.80

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Solution

The fourth proportional to 8,677.61, 13,016.46 and 2,103.80 is: 3,155.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.61 : 13,016.46 = 2,103.80 : x
  2. Step 2: Convert to fraction form
    8,677.61/13,016.46 = 2,103.80/x
  3. Step 3: Cross multiply
    8,677.61x = 13,016.46 × 2,103.80
  4. Step 4: Simplify right side
    8,677.61x = 27,384,032.37
  5. Step 5: Solve for x
    x = 27,384,032.37/8,677.61
  6. Step 6: Final answer
    x = 3,155.71

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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.