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Finding the Fourth Proportional to 6,497.43, 9,745.88 and 3,209.51

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Solution

The fourth proportional to 6,497.43, 9,745.88 and 3,209.51 is: 4,814.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,497.43 : 9,745.88 = 3,209.51 : x
  2. Step 2: Convert to fraction form
    6,497.43/9,745.88 = 3,209.51/x
  3. Step 3: Cross multiply
    6,497.43x = 9,745.88 × 3,209.51
  4. Step 4: Simplify right side
    6,497.43x = 31,279,434.54
  5. Step 5: Solve for x
    x = 31,279,434.54/6,497.43
  6. Step 6: Final answer
    x = 4,814.12

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1.5x scale

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.