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Finding the Fourth Proportional to 5,546, 8,319 and 1,442

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Solution

The fourth proportional to 5,546, 8,319 and 1,442 is: 2,163

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,546 : 8,319 = 1,442 : x
  2. Step 2: Convert to fraction form
    5,546/8,319 = 1,442/x
  3. Step 3: Cross multiply
    5,546x = 8,319 × 1,442
  4. Step 4: Simplify right side
    5,546x = 11,995,998
  5. Step 5: Solve for x
    x = 11,995,998/5,546
  6. Step 6: Final answer
    x = 2,163

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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.