Home / 7,181.24-10,771.78-2,801.77

Finding the Fourth Proportional to 7,181.24, 10,771.78 and 2,801.77

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Solution

The fourth proportional to 7,181.24, 10,771.78 and 2,801.77 is: 4,202.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.24 : 10,771.78 = 2,801.77 : x
  2. Step 2: Convert to fraction form
    7,181.24/10,771.78 = 2,801.77/x
  3. Step 3: Cross multiply
    7,181.24x = 10,771.78 × 2,801.77
  4. Step 4: Simplify right side
    7,181.24x = 30,179,982.18
  5. Step 5: Solve for x
    x = 30,179,982.18/7,181.24
  6. Step 6: Final answer
    x = 4,202.62

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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.