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Finding the Fourth Proportional to 7,573.91, 11,361.67 and 3,675.38

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Solution

The fourth proportional to 7,573.91, 11,361.67 and 3,675.38 is: 5,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.91 : 11,361.67 = 3,675.38 : x
  2. Step 2: Convert to fraction form
    7,573.91/11,361.67 = 3,675.38/x
  3. Step 3: Cross multiply
    7,573.91x = 11,361.67 × 3,675.38
  4. Step 4: Simplify right side
    7,573.91x = 41,758,388.69
  5. Step 5: Solve for x
    x = 41,758,388.69/7,573.91
  6. Step 6: Final answer
    x = 5,513.46

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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.