Home / 7,481.64-11,222.92-3,099.44

Finding the Fourth Proportional to 7,481.64, 11,222.92 and 3,099.44

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Solution

The fourth proportional to 7,481.64, 11,222.92 and 3,099.44 is: 4,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.64 : 11,222.92 = 3,099.44 : x
  2. Step 2: Convert to fraction form
    7,481.64/11,222.92 = 3,099.44/x
  3. Step 3: Cross multiply
    7,481.64x = 11,222.92 × 3,099.44
  4. Step 4: Simplify right side
    7,481.64x = 34,784,767.16
  5. Step 5: Solve for x
    x = 34,784,767.16/7,481.64
  6. Step 6: Final answer
    x = 4,649.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.