Home / 6,811.75-10,217.85-1,881.37

Finding the Fourth Proportional to 6,811.75, 10,217.85 and 1,881.37

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Solution

The fourth proportional to 6,811.75, 10,217.85 and 1,881.37 is: 2,822.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.75 : 10,217.85 = 1,881.37 : x
  2. Step 2: Convert to fraction form
    6,811.75/10,217.85 = 1,881.37/x
  3. Step 3: Cross multiply
    6,811.75x = 10,217.85 × 1,881.37
  4. Step 4: Simplify right side
    6,811.75x = 19,223,556.45
  5. Step 5: Solve for x
    x = 19,223,556.45/6,811.75
  6. Step 6: Final answer
    x = 2,822.12

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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.