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Finding the Fourth Proportional to 6,603.17, 9,112.39 and 3,619.12

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Solution

The fourth proportional to 6,603.17, 9,112.39 and 3,619.12 is: 4,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.17 : 9,112.39 = 3,619.12 : x
  2. Step 2: Convert to fraction form
    6,603.17/9,112.39 = 3,619.12/x
  3. Step 3: Cross multiply
    6,603.17x = 9,112.39 × 3,619.12
  4. Step 4: Simplify right side
    6,603.17x = 32,978,787.33
  5. Step 5: Solve for x
    x = 32,978,787.33/6,603.17
  6. Step 6: Final answer
    x = 4,994.39

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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.