Home / 5,449.22-7,519.71-3,211.19

Finding the Fourth Proportional to 5,449.22, 7,519.71 and 3,211.19

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Solution

The fourth proportional to 5,449.22, 7,519.71 and 3,211.19 is: 4,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.22 : 7,519.71 = 3,211.19 : x
  2. Step 2: Convert to fraction form
    5,449.22/7,519.71 = 3,211.19/x
  3. Step 3: Cross multiply
    5,449.22x = 7,519.71 × 3,211.19
  4. Step 4: Simplify right side
    5,449.22x = 24,147,253.46
  5. Step 5: Solve for x
    x = 24,147,253.46/5,449.22
  6. Step 6: Final answer
    x = 4,431.32

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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.