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Finding the Fourth Proportional to 5,448.44, 7,520.19 and 3,092

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Solution

The fourth proportional to 5,448.44, 7,520.19 and 3,092 is: 4,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.44 : 7,520.19 = 3,092 : x
  2. Step 2: Convert to fraction form
    5,448.44/7,520.19 = 3,092/x
  3. Step 3: Cross multiply
    5,448.44x = 7,520.19 × 3,092
  4. Step 4: Simplify right side
    5,448.44x = 23,252,427.48
  5. Step 5: Solve for x
    x = 23,252,427.48/5,448.44
  6. Step 6: Final answer
    x = 4,267.72

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Why These Related Problems?

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