Home / 5,628.36-8,441.82-2,166.60

Finding the Fourth Proportional to 5,628.36, 8,441.82 and 2,166.60

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Solution

The fourth proportional to 5,628.36, 8,441.82 and 2,166.60 is: 3,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.36 : 8,441.82 = 2,166.60 : x
  2. Step 2: Convert to fraction form
    5,628.36/8,441.82 = 2,166.60/x
  3. Step 3: Cross multiply
    5,628.36x = 8,441.82 × 2,166.60
  4. Step 4: Simplify right side
    5,628.36x = 18,290,047.21
  5. Step 5: Solve for x
    x = 18,290,047.21/5,628.36
  6. Step 6: Final answer
    x = 3,249.62

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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.