Home / 6,821.37-10,231.98-1,823.75

Finding the Fourth Proportional to 6,821.37, 10,231.98 and 1,823.75

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Solution

The fourth proportional to 6,821.37, 10,231.98 and 1,823.75 is: 2,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.37 : 10,231.98 = 1,823.75 : x
  2. Step 2: Convert to fraction form
    6,821.37/10,231.98 = 1,823.75/x
  3. Step 3: Cross multiply
    6,821.37x = 10,231.98 × 1,823.75
  4. Step 4: Simplify right side
    6,821.37x = 18,660,522.37
  5. Step 5: Solve for x
    x = 18,660,522.37/6,821.37
  6. Step 6: Final answer
    x = 2,735.60

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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.