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Finding the Fourth Proportional to 9,420.62, 12,997.79 and 6,065.37

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Solution

The fourth proportional to 9,420.62, 12,997.79 and 6,065.37 is: 8,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.62 : 12,997.79 = 6,065.37 : x
  2. Step 2: Convert to fraction form
    9,420.62/12,997.79 = 6,065.37/x
  3. Step 3: Cross multiply
    9,420.62x = 12,997.79 × 6,065.37
  4. Step 4: Simplify right side
    9,420.62x = 78,836,438.03
  5. Step 5: Solve for x
    x = 78,836,438.03/9,420.62
  6. Step 6: Final answer
    x = 8,368.50

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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.