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Finding the Fourth Proportional to 5,443.94, 8,166 and 1,548.44

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Solution

The fourth proportional to 5,443.94, 8,166 and 1,548.44 is: 2,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.94 : 8,166 = 1,548.44 : x
  2. Step 2: Convert to fraction form
    5,443.94/8,166 = 1,548.44/x
  3. Step 3: Cross multiply
    5,443.94x = 8,166 × 1,548.44
  4. Step 4: Simplify right side
    5,443.94x = 12,644,561.04
  5. Step 5: Solve for x
    x = 12,644,561.04/5,443.94
  6. Step 6: Final answer
    x = 2,322.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.