Home / 6,091.88-9,131.74-2,391.40

Finding the Fourth Proportional to 6,091.88, 9,131.74 and 2,391.40

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Solution

The fourth proportional to 6,091.88, 9,131.74 and 2,391.40 is: 3,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,091.88 : 9,131.74 = 2,391.40 : x
  2. Step 2: Convert to fraction form
    6,091.88/9,131.74 = 2,391.40/x
  3. Step 3: Cross multiply
    6,091.88x = 9,131.74 × 2,391.40
  4. Step 4: Simplify right side
    6,091.88x = 21,837,643.04
  5. Step 5: Solve for x
    x = 21,837,643.04/6,091.88
  6. Step 6: Final answer
    x = 3,584.71

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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.