Home / 5,942.22-8,199.36-3,390

Finding the Fourth Proportional to 5,942.22, 8,199.36 and 3,390

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Solution

The fourth proportional to 5,942.22, 8,199.36 and 3,390 is: 4,677.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.22 : 8,199.36 = 3,390 : x
  2. Step 2: Convert to fraction form
    5,942.22/8,199.36 = 3,390/x
  3. Step 3: Cross multiply
    5,942.22x = 8,199.36 × 3,390
  4. Step 4: Simplify right side
    5,942.22x = 27,795,830.40
  5. Step 5: Solve for x
    x = 27,795,830.40/5,942.22
  6. Step 6: Final answer
    x = 4,677.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.