Home / 5,515.44-7,622.22-4,519.14

Finding the Fourth Proportional to 5,515.44, 7,622.22 and 4,519.14

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Solution

The fourth proportional to 5,515.44, 7,622.22 and 4,519.14 is: 6,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.44 : 7,622.22 = 4,519.14 : x
  2. Step 2: Convert to fraction form
    5,515.44/7,622.22 = 4,519.14/x
  3. Step 3: Cross multiply
    5,515.44x = 7,622.22 × 4,519.14
  4. Step 4: Simplify right side
    5,515.44x = 34,445,879.29
  5. Step 5: Solve for x
    x = 34,445,879.29/5,515.44
  6. Step 6: Final answer
    x = 6,245.35

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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.