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Finding the Fourth Proportional to 5,905.68, 8,150 and 3,388

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Solution

The fourth proportional to 5,905.68, 8,150 and 3,388 is: 4,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.68 : 8,150 = 3,388 : x
  2. Step 2: Convert to fraction form
    5,905.68/8,150 = 3,388/x
  3. Step 3: Cross multiply
    5,905.68x = 8,150 × 3,388
  4. Step 4: Simplify right side
    5,905.68x = 27,612,200
  5. Step 5: Solve for x
    x = 27,612,200/5,905.68
  6. Step 6: Final answer
    x = 4,675.53

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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.