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Finding the Fourth Proportional to 8,174.25, 11,280.47 and 4,448.25

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Solution

The fourth proportional to 8,174.25, 11,280.47 and 4,448.25 is: 6,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.25 : 11,280.47 = 4,448.25 : x
  2. Step 2: Convert to fraction form
    8,174.25/11,280.47 = 4,448.25/x
  3. Step 3: Cross multiply
    8,174.25x = 11,280.47 × 4,448.25
  4. Step 4: Simplify right side
    8,174.25x = 50,178,328.44
  5. Step 5: Solve for x
    x = 50,178,328.44/8,174.25
  6. Step 6: Final answer
    x = 6,138.59

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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.