Home / 6,813.10-9,401.56-3,828.36

Finding the Fourth Proportional to 6,813.10, 9,401.56 and 3,828.36

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Solution

The fourth proportional to 6,813.10, 9,401.56 and 3,828.36 is: 5,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.10 : 9,401.56 = 3,828.36 : x
  2. Step 2: Convert to fraction form
    6,813.10/9,401.56 = 3,828.36/x
  3. Step 3: Cross multiply
    6,813.10x = 9,401.56 × 3,828.36
  4. Step 4: Simplify right side
    6,813.10x = 35,992,556.24
  5. Step 5: Solve for x
    x = 35,992,556.24/6,813.10
  6. Step 6: Final answer
    x = 5,282.85

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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.