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Finding the Fourth Proportional to 5,333.73, 7,361.87 and 3,239.61

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Solution

The fourth proportional to 5,333.73, 7,361.87 and 3,239.61 is: 4,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.73 : 7,361.87 = 3,239.61 : x
  2. Step 2: Convert to fraction form
    5,333.73/7,361.87 = 3,239.61/x
  3. Step 3: Cross multiply
    5,333.73x = 7,361.87 × 3,239.61
  4. Step 4: Simplify right side
    5,333.73x = 23,849,571.47
  5. Step 5: Solve for x
    x = 23,849,571.47/5,333.73
  6. Step 6: Final answer
    x = 4,471.46

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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.