Home / 6,819.75-9,411.74-3,795.54

Finding the Fourth Proportional to 6,819.75, 9,411.74 and 3,795.54

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Solution

The fourth proportional to 6,819.75, 9,411.74 and 3,795.54 is: 5,238.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.75 : 9,411.74 = 3,795.54 : x
  2. Step 2: Convert to fraction form
    6,819.75/9,411.74 = 3,795.54/x
  3. Step 3: Cross multiply
    6,819.75x = 9,411.74 × 3,795.54
  4. Step 4: Simplify right side
    6,819.75x = 35,722,588.58
  5. Step 5: Solve for x
    x = 35,722,588.58/6,819.75
  6. Step 6: Final answer
    x = 5,238.11

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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.