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Finding the Fourth Proportional to 6,531.48, 9,797.04 and 2,638.44

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Solution

The fourth proportional to 6,531.48, 9,797.04 and 2,638.44 is: 3,957.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.48 : 9,797.04 = 2,638.44 : x
  2. Step 2: Convert to fraction form
    6,531.48/9,797.04 = 2,638.44/x
  3. Step 3: Cross multiply
    6,531.48x = 9,797.04 × 2,638.44
  4. Step 4: Simplify right side
    6,531.48x = 25,848,902.22
  5. Step 5: Solve for x
    x = 25,848,902.22/6,531.48
  6. Step 6: Final answer
    x = 3,957.59

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1.5x scale

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.