Home / 8,530.75-12,791.66-2,685.79

Finding the Fourth Proportional to 8,530.75, 12,791.66 and 2,685.79

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Solution

The fourth proportional to 8,530.75, 12,791.66 and 2,685.79 is: 4,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.75 : 12,791.66 = 2,685.79 : x
  2. Step 2: Convert to fraction form
    8,530.75/12,791.66 = 2,685.79/x
  3. Step 3: Cross multiply
    8,530.75x = 12,791.66 × 2,685.79
  4. Step 4: Simplify right side
    8,530.75x = 34,355,648.55
  5. Step 5: Solve for x
    x = 34,355,648.55/8,530.75
  6. Step 6: Final answer
    x = 4,027.27

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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.