Home / 7,845.45-11,757.50-4,330.22

Finding the Fourth Proportional to 7,845.45, 11,757.50 and 4,330.22

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Solution

The fourth proportional to 7,845.45, 11,757.50 and 4,330.22 is: 6,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.45 : 11,757.50 = 4,330.22 : x
  2. Step 2: Convert to fraction form
    7,845.45/11,757.50 = 4,330.22/x
  3. Step 3: Cross multiply
    7,845.45x = 11,757.50 × 4,330.22
  4. Step 4: Simplify right side
    7,845.45x = 50,912,540.00
  5. Step 5: Solve for x
    x = 50,912,540.00/7,845.45
  6. Step 6: Final answer
    x = 6,489.44

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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.