Home / 5,619.21-7,754.87-3,229.95

Finding the Fourth Proportional to 5,619.21, 7,754.87 and 3,229.95

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Solution

The fourth proportional to 5,619.21, 7,754.87 and 3,229.95 is: 4,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.21 : 7,754.87 = 3,229.95 : x
  2. Step 2: Convert to fraction form
    5,619.21/7,754.87 = 3,229.95/x
  3. Step 3: Cross multiply
    5,619.21x = 7,754.87 × 3,229.95
  4. Step 4: Simplify right side
    5,619.21x = 25,047,826.21
  5. Step 5: Solve for x
    x = 25,047,826.21/5,619.21
  6. Step 6: Final answer
    x = 4,457.54

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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.