Home / 8,677.20-13,015.83-2,103.37

Finding the Fourth Proportional to 8,677.20, 13,015.83 and 2,103.37

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Solution

The fourth proportional to 8,677.20, 13,015.83 and 2,103.37 is: 3,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.20 : 13,015.83 = 2,103.37 : x
  2. Step 2: Convert to fraction form
    8,677.20/13,015.83 = 2,103.37/x
  3. Step 3: Cross multiply
    8,677.20x = 13,015.83 × 2,103.37
  4. Step 4: Simplify right side
    8,677.20x = 27,377,106.35
  5. Step 5: Solve for x
    x = 27,377,106.35/8,677.20
  6. Step 6: Final answer
    x = 3,155.06

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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.