Home / 6,722.14-9,277.70-3,891.25

Finding the Fourth Proportional to 6,722.14, 9,277.70 and 3,891.25

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Solution

The fourth proportional to 6,722.14, 9,277.70 and 3,891.25 is: 5,370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.14 : 9,277.70 = 3,891.25 : x
  2. Step 2: Convert to fraction form
    6,722.14/9,277.70 = 3,891.25/x
  3. Step 3: Cross multiply
    6,722.14x = 9,277.70 × 3,891.25
  4. Step 4: Simplify right side
    6,722.14x = 36,101,850.13
  5. Step 5: Solve for x
    x = 36,101,850.13/6,722.14
  6. Step 6: Final answer
    x = 5,370.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.