Home / 6,348.07-9,519.83-2,187

Finding the Fourth Proportional to 6,348.07, 9,519.83 and 2,187

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Solution

The fourth proportional to 6,348.07, 9,519.83 and 2,187 is: 3,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348.07 : 9,519.83 = 2,187 : x
  2. Step 2: Convert to fraction form
    6,348.07/9,519.83 = 2,187/x
  3. Step 3: Cross multiply
    6,348.07x = 9,519.83 × 2,187
  4. Step 4: Simplify right side
    6,348.07x = 20,819,865.48
  5. Step 5: Solve for x
    x = 20,819,865.48/6,348.07
  6. Step 6: Final answer
    x = 3,279.72

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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.