Home / 6,491.06-9,729.57-2,591.18

Finding the Fourth Proportional to 6,491.06, 9,729.57 and 2,591.18

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Solution

The fourth proportional to 6,491.06, 9,729.57 and 2,591.18 is: 3,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.06 : 9,729.57 = 2,591.18 : x
  2. Step 2: Convert to fraction form
    6,491.06/9,729.57 = 2,591.18/x
  3. Step 3: Cross multiply
    6,491.06x = 9,729.57 × 2,591.18
  4. Step 4: Simplify right side
    6,491.06x = 25,211,067.19
  5. Step 5: Solve for x
    x = 25,211,067.19/6,491.06
  6. Step 6: Final answer
    x = 3,883.97

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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.