Home / 6,819.87-9,410.76-3,835.64

Finding the Fourth Proportional to 6,819.87, 9,410.76 and 3,835.64

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Solution

The fourth proportional to 6,819.87, 9,410.76 and 3,835.64 is: 5,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.87 : 9,410.76 = 3,835.64 : x
  2. Step 2: Convert to fraction form
    6,819.87/9,410.76 = 3,835.64/x
  3. Step 3: Cross multiply
    6,819.87x = 9,410.76 × 3,835.64
  4. Step 4: Simplify right side
    6,819.87x = 36,096,296.63
  5. Step 5: Solve for x
    x = 36,096,296.63/6,819.87
  6. Step 6: Final answer
    x = 5,292.81

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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.