Home / 6,821.89-10,233.43-1,891.58

Finding the Fourth Proportional to 6,821.89, 10,233.43 and 1,891.58

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Solution

The fourth proportional to 6,821.89, 10,233.43 and 1,891.58 is: 2,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.89 : 10,233.43 = 1,891.58 : x
  2. Step 2: Convert to fraction form
    6,821.89/10,233.43 = 1,891.58/x
  3. Step 3: Cross multiply
    6,821.89x = 10,233.43 × 1,891.58
  4. Step 4: Simplify right side
    6,821.89x = 19,357,295.62
  5. Step 5: Solve for x
    x = 19,357,295.62/6,821.89
  6. Step 6: Final answer
    x = 2,837.53

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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.