Home / 6,819.97-9,411.49-3,835.82

Finding the Fourth Proportional to 6,819.97, 9,411.49 and 3,835.82

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Solution

The fourth proportional to 6,819.97, 9,411.49 and 3,835.82 is: 5,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.97 : 9,411.49 = 3,835.82 : x
  2. Step 2: Convert to fraction form
    6,819.97/9,411.49 = 3,835.82/x
  3. Step 3: Cross multiply
    6,819.97x = 9,411.49 × 3,835.82
  4. Step 4: Simplify right side
    6,819.97x = 36,100,781.57
  5. Step 5: Solve for x
    x = 36,100,781.57/6,819.97
  6. Step 6: Final answer
    x = 5,293.40

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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.