Home / 8,747.58-13,109.67-3,195.72

Finding the Fourth Proportional to 8,747.58, 13,109.67 and 3,195.72

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Solution

The fourth proportional to 8,747.58, 13,109.67 and 3,195.72 is: 4,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.58 : 13,109.67 = 3,195.72 : x
  2. Step 2: Convert to fraction form
    8,747.58/13,109.67 = 3,195.72/x
  3. Step 3: Cross multiply
    8,747.58x = 13,109.67 × 3,195.72
  4. Step 4: Simplify right side
    8,747.58x = 41,894,834.61
  5. Step 5: Solve for x
    x = 41,894,834.61/8,747.58
  6. Step 6: Final answer
    x = 4,789.31

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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.