Home / 6,775.92-10,156.86-3,481.68

Finding the Fourth Proportional to 6,775.92, 10,156.86 and 3,481.68

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Solution

The fourth proportional to 6,775.92, 10,156.86 and 3,481.68 is: 5,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,775.92 : 10,156.86 = 3,481.68 : x
  2. Step 2: Convert to fraction form
    6,775.92/10,156.86 = 3,481.68/x
  3. Step 3: Cross multiply
    6,775.92x = 10,156.86 × 3,481.68
  4. Step 4: Simplify right side
    6,775.92x = 35,362,936.32
  5. Step 5: Solve for x
    x = 35,362,936.32/6,775.92
  6. Step 6: Final answer
    x = 5,218.91

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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.