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Finding the Fourth Proportional to 6,447.30, 9,604.37 and 6,293.70

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Solution

The fourth proportional to 6,447.30, 9,604.37 and 6,293.70 is: 9,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.30 : 9,604.37 = 6,293.70 : x
  2. Step 2: Convert to fraction form
    6,447.30/9,604.37 = 6,293.70/x
  3. Step 3: Cross multiply
    6,447.30x = 9,604.37 × 6,293.70
  4. Step 4: Simplify right side
    6,447.30x = 60,446,992.00
  5. Step 5: Solve for x
    x = 60,446,992.00/6,447.30
  6. Step 6: Final answer
    x = 9,375.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.