Home / 6,491.97-9,740.27-2,109.44

Finding the Fourth Proportional to 6,491.97, 9,740.27 and 2,109.44

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Solution

The fourth proportional to 6,491.97, 9,740.27 and 2,109.44 is: 3,164.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.97 : 9,740.27 = 2,109.44 : x
  2. Step 2: Convert to fraction form
    6,491.97/9,740.27 = 2,109.44/x
  3. Step 3: Cross multiply
    6,491.97x = 9,740.27 × 2,109.44
  4. Step 4: Simplify right side
    6,491.97x = 20,546,544.77
  5. Step 5: Solve for x
    x = 20,546,544.77/6,491.97
  6. Step 6: Final answer
    x = 3,164.92

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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.