Home / 8,704.20-13,055.82-3,081.48

Finding the Fourth Proportional to 8,704.20, 13,055.82 and 3,081.48

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Solution

The fourth proportional to 8,704.20, 13,055.82 and 3,081.48 is: 4,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.20 : 13,055.82 = 3,081.48 : x
  2. Step 2: Convert to fraction form
    8,704.20/13,055.82 = 3,081.48/x
  3. Step 3: Cross multiply
    8,704.20x = 13,055.82 × 3,081.48
  4. Step 4: Simplify right side
    8,704.20x = 40,231,248.21
  5. Step 5: Solve for x
    x = 40,231,248.21/8,704.20
  6. Step 6: Final answer
    x = 4,622.05

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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.