Home / 6,789.92-10,181.64-3,281.54

Finding the Fourth Proportional to 6,789.92, 10,181.64 and 3,281.54

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Solution

The fourth proportional to 6,789.92, 10,181.64 and 3,281.54 is: 4,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.92 : 10,181.64 = 3,281.54 : x
  2. Step 2: Convert to fraction form
    6,789.92/10,181.64 = 3,281.54/x
  3. Step 3: Cross multiply
    6,789.92x = 10,181.64 × 3,281.54
  4. Step 4: Simplify right side
    6,789.92x = 33,411,458.93
  5. Step 5: Solve for x
    x = 33,411,458.93/6,789.92
  6. Step 6: Final answer
    x = 4,920.74

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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.