Home / 7,982.85-12,001.31-6,433.73

Finding the Fourth Proportional to 7,982.85, 12,001.31 and 6,433.73

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Solution

The fourth proportional to 7,982.85, 12,001.31 and 6,433.73 is: 9,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.85 : 12,001.31 = 6,433.73 : x
  2. Step 2: Convert to fraction form
    7,982.85/12,001.31 = 6,433.73/x
  3. Step 3: Cross multiply
    7,982.85x = 12,001.31 × 6,433.73
  4. Step 4: Simplify right side
    7,982.85x = 77,213,096.01
  5. Step 5: Solve for x
    x = 77,213,096.01/7,982.85
  6. Step 6: Final answer
    x = 9,672.37

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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.