Home / 6,843.18-10,265.43-1,912.82

Finding the Fourth Proportional to 6,843.18, 10,265.43 and 1,912.82

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Solution

The fourth proportional to 6,843.18, 10,265.43 and 1,912.82 is: 2,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,843.18 : 10,265.43 = 1,912.82 : x
  2. Step 2: Convert to fraction form
    6,843.18/10,265.43 = 1,912.82/x
  3. Step 3: Cross multiply
    6,843.18x = 10,265.43 × 1,912.82
  4. Step 4: Simplify right side
    6,843.18x = 19,635,875.66
  5. Step 5: Solve for x
    x = 19,635,875.66/6,843.18
  6. Step 6: Final answer
    x = 2,869.41

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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.