Home / 9,205.72-12,704.21-5,227

Finding the Fourth Proportional to 9,205.72, 12,704.21 and 5,227

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Solution

The fourth proportional to 9,205.72, 12,704.21 and 5,227 is: 7,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205.72 : 12,704.21 = 5,227 : x
  2. Step 2: Convert to fraction form
    9,205.72/12,704.21 = 5,227/x
  3. Step 3: Cross multiply
    9,205.72x = 12,704.21 × 5,227
  4. Step 4: Simplify right side
    9,205.72x = 66,404,905.67
  5. Step 5: Solve for x
    x = 66,404,905.67/9,205.72
  6. Step 6: Final answer
    x = 7,213.44

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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.