Home / 6,191.75-9,287.67-2,087.75

Finding the Fourth Proportional to 6,191.75, 9,287.67 and 2,087.75

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Solution

The fourth proportional to 6,191.75, 9,287.67 and 2,087.75 is: 3,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.75 : 9,287.67 = 2,087.75 : x
  2. Step 2: Convert to fraction form
    6,191.75/9,287.67 = 2,087.75/x
  3. Step 3: Cross multiply
    6,191.75x = 9,287.67 × 2,087.75
  4. Step 4: Simplify right side
    6,191.75x = 19,390,333.04
  5. Step 5: Solve for x
    x = 19,390,333.04/6,191.75
  6. Step 6: Final answer
    x = 3,131.64

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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.