Home / 6,828.75-10,243.13-2,211.75

Finding the Fourth Proportional to 6,828.75, 10,243.13 and 2,211.75

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Solution

The fourth proportional to 6,828.75, 10,243.13 and 2,211.75 is: 3,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.75 : 10,243.13 = 2,211.75 : x
  2. Step 2: Convert to fraction form
    6,828.75/10,243.13 = 2,211.75/x
  3. Step 3: Cross multiply
    6,828.75x = 10,243.13 × 2,211.75
  4. Step 4: Simplify right side
    6,828.75x = 22,655,231.72
  5. Step 5: Solve for x
    x = 22,655,231.72/6,828.75
  6. Step 6: Final answer
    x = 3,317.63

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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.