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Finding the Fourth Proportional to 4,545, 6,272.64 and 2,682

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Solution

The fourth proportional to 4,545, 6,272.64 and 2,682 is: 3,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545 : 6,272.64 = 2,682 : x
  2. Step 2: Convert to fraction form
    4,545/6,272.64 = 2,682/x
  3. Step 3: Cross multiply
    4,545x = 6,272.64 × 2,682
  4. Step 4: Simplify right side
    4,545x = 16,823,220.48
  5. Step 5: Solve for x
    x = 16,823,220.48/4,545
  6. Step 6: Final answer
    x = 3,701.48

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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.