Home / 6,491.45-9,738.62-3,026.81

Finding the Fourth Proportional to 6,491.45, 9,738.62 and 3,026.81

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Solution

The fourth proportional to 6,491.45, 9,738.62 and 3,026.81 is: 4,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.45 : 9,738.62 = 3,026.81 : x
  2. Step 2: Convert to fraction form
    6,491.45/9,738.62 = 3,026.81/x
  3. Step 3: Cross multiply
    6,491.45x = 9,738.62 × 3,026.81
  4. Step 4: Simplify right side
    6,491.45x = 29,476,972.97
  5. Step 5: Solve for x
    x = 29,476,972.97/6,491.45
  6. Step 6: Final answer
    x = 4,540.89

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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.