Home / 8,028.79-11,079.73-4,491.99

Finding the Fourth Proportional to 8,028.79, 11,079.73 and 4,491.99

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Solution

The fourth proportional to 8,028.79, 11,079.73 and 4,491.99 is: 6,198.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.79 : 11,079.73 = 4,491.99 : x
  2. Step 2: Convert to fraction form
    8,028.79/11,079.73 = 4,491.99/x
  3. Step 3: Cross multiply
    8,028.79x = 11,079.73 × 4,491.99
  4. Step 4: Simplify right side
    8,028.79x = 49,770,041.98
  5. Step 5: Solve for x
    x = 49,770,041.98/8,028.79
  6. Step 6: Final answer
    x = 6,198.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.