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Finding the Fourth Proportional to 6,469.87, 8,928.21 and 3,637.36

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Solution

The fourth proportional to 6,469.87, 8,928.21 and 3,637.36 is: 5,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.87 : 8,928.21 = 3,637.36 : x
  2. Step 2: Convert to fraction form
    6,469.87/8,928.21 = 3,637.36/x
  3. Step 3: Cross multiply
    6,469.87x = 8,928.21 × 3,637.36
  4. Step 4: Simplify right side
    6,469.87x = 32,475,153.76
  5. Step 5: Solve for x
    x = 32,475,153.76/6,469.87
  6. Step 6: Final answer
    x = 5,019.44

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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.