Home / 6,498.47-9,749.97-2,115.90

Finding the Fourth Proportional to 6,498.47, 9,749.97 and 2,115.90

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Solution

The fourth proportional to 6,498.47, 9,749.97 and 2,115.90 is: 3,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,498.47 : 9,749.97 = 2,115.90 : x
  2. Step 2: Convert to fraction form
    6,498.47/9,749.97 = 2,115.90/x
  3. Step 3: Cross multiply
    6,498.47x = 9,749.97 × 2,115.90
  4. Step 4: Simplify right side
    6,498.47x = 20,629,961.52
  5. Step 5: Solve for x
    x = 20,629,961.52/6,498.47
  6. Step 6: Final answer
    x = 3,174.59

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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.