Home / 7,399.72-11,099.49-2,205.64

Finding the Fourth Proportional to 7,399.72, 11,099.49 and 2,205.64

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Solution

The fourth proportional to 7,399.72, 11,099.49 and 2,205.64 is: 3,308.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.72 : 11,099.49 = 2,205.64 : x
  2. Step 2: Convert to fraction form
    7,399.72/11,099.49 = 2,205.64/x
  3. Step 3: Cross multiply
    7,399.72x = 11,099.49 × 2,205.64
  4. Step 4: Simplify right side
    7,399.72x = 24,481,479.12
  5. Step 5: Solve for x
    x = 24,481,479.12/7,399.72
  6. Step 6: Final answer
    x = 3,308.43

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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.