Home / 8,028.57-11,079.96-4,491.57

Finding the Fourth Proportional to 8,028.57, 11,079.96 and 4,491.57

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Solution

The fourth proportional to 8,028.57, 11,079.96 and 4,491.57 is: 6,198.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.57 : 11,079.96 = 4,491.57 : x
  2. Step 2: Convert to fraction form
    8,028.57/11,079.96 = 4,491.57/x
  3. Step 3: Cross multiply
    8,028.57x = 11,079.96 × 4,491.57
  4. Step 4: Simplify right side
    8,028.57x = 49,766,415.94
  5. Step 5: Solve for x
    x = 49,766,415.94/8,028.57
  6. Step 6: Final answer
    x = 6,198.67

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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.