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Finding the Fourth Proportional to 7,571.33, 11,349.97 and 6,948.44

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Solution

The fourth proportional to 7,571.33, 11,349.97 and 6,948.44 is: 10,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.33 : 11,349.97 = 6,948.44 : x
  2. Step 2: Convert to fraction form
    7,571.33/11,349.97 = 6,948.44/x
  3. Step 3: Cross multiply
    7,571.33x = 11,349.97 × 6,948.44
  4. Step 4: Simplify right side
    7,571.33x = 78,864,593.07
  5. Step 5: Solve for x
    x = 78,864,593.07/7,571.33
  6. Step 6: Final answer
    x = 10,416.22

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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.