Home / 4,800.82-6,628.26-3,100.09

Finding the Fourth Proportional to 4,800.82, 6,628.26 and 3,100.09

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Solution

The fourth proportional to 4,800.82, 6,628.26 and 3,100.09 is: 4,280.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.82 : 6,628.26 = 3,100.09 : x
  2. Step 2: Convert to fraction form
    4,800.82/6,628.26 = 3,100.09/x
  3. Step 3: Cross multiply
    4,800.82x = 6,628.26 × 3,100.09
  4. Step 4: Simplify right side
    4,800.82x = 20,548,202.54
  5. Step 5: Solve for x
    x = 20,548,202.54/4,800.82
  6. Step 6: Final answer
    x = 4,280.14

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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.