Home / 7,960.26-11,940.60-3,800.70

Finding the Fourth Proportional to 7,960.26, 11,940.60 and 3,800.70

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Solution

The fourth proportional to 7,960.26, 11,940.60 and 3,800.70 is: 5,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.26 : 11,940.60 = 3,800.70 : x
  2. Step 2: Convert to fraction form
    7,960.26/11,940.60 = 3,800.70/x
  3. Step 3: Cross multiply
    7,960.26x = 11,940.60 × 3,800.70
  4. Step 4: Simplify right side
    7,960.26x = 45,382,638.42
  5. Step 5: Solve for x
    x = 45,382,638.42/7,960.26
  6. Step 6: Final answer
    x = 5,701.15

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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.