Home / 7,759.91-11,640.26-2,214.07

Finding the Fourth Proportional to 7,759.91, 11,640.26 and 2,214.07

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Solution

The fourth proportional to 7,759.91, 11,640.26 and 2,214.07 is: 3,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.91 : 11,640.26 = 2,214.07 : x
  2. Step 2: Convert to fraction form
    7,759.91/11,640.26 = 2,214.07/x
  3. Step 3: Cross multiply
    7,759.91x = 11,640.26 × 2,214.07
  4. Step 4: Simplify right side
    7,759.91x = 25,772,326.89
  5. Step 5: Solve for x
    x = 25,772,326.89/7,759.91
  6. Step 6: Final answer
    x = 3,321.21

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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.