Home / 6,821.82-10,232.42-1,891.35

Finding the Fourth Proportional to 6,821.82, 10,232.42 and 1,891.35

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Solution

The fourth proportional to 6,821.82, 10,232.42 and 1,891.35 is: 2,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.82 : 10,232.42 = 1,891.35 : x
  2. Step 2: Convert to fraction form
    6,821.82/10,232.42 = 1,891.35/x
  3. Step 3: Cross multiply
    6,821.82x = 10,232.42 × 1,891.35
  4. Step 4: Simplify right side
    6,821.82x = 19,353,078.11
  5. Step 5: Solve for x
    x = 19,353,078.11/6,821.82
  6. Step 6: Final answer
    x = 2,836.94

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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.