Home / 7,760.26-11,640.84-2,213.18

Finding the Fourth Proportional to 7,760.26, 11,640.84 and 2,213.18

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Solution

The fourth proportional to 7,760.26, 11,640.84 and 2,213.18 is: 3,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.26 : 11,640.84 = 2,213.18 : x
  2. Step 2: Convert to fraction form
    7,760.26/11,640.84 = 2,213.18/x
  3. Step 3: Cross multiply
    7,760.26x = 11,640.84 × 2,213.18
  4. Step 4: Simplify right side
    7,760.26x = 25,763,205.00
  5. Step 5: Solve for x
    x = 25,763,205.00/7,760.26
  6. Step 6: Final answer
    x = 3,319.89

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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.