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Finding the Fourth Proportional to 6,446.57, 9,648.29 and 3,672.50

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Solution

The fourth proportional to 6,446.57, 9,648.29 and 3,672.50 is: 5,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446.57 : 9,648.29 = 3,672.50 : x
  2. Step 2: Convert to fraction form
    6,446.57/9,648.29 = 3,672.50/x
  3. Step 3: Cross multiply
    6,446.57x = 9,648.29 × 3,672.50
  4. Step 4: Simplify right side
    6,446.57x = 35,433,305.96
  5. Step 5: Solve for x
    x = 35,433,305.96/6,446.57
  6. Step 6: Final answer
    x = 5,496.46

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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.