Home / 5,550.80-8,301.90-4,238.60

Finding the Fourth Proportional to 5,550.80, 8,301.90 and 4,238.60

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Solution

The fourth proportional to 5,550.80, 8,301.90 and 4,238.60 is: 6,339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.80 : 8,301.90 = 4,238.60 : x
  2. Step 2: Convert to fraction form
    5,550.80/8,301.90 = 4,238.60/x
  3. Step 3: Cross multiply
    5,550.80x = 8,301.90 × 4,238.60
  4. Step 4: Simplify right side
    5,550.80x = 35,188,433.34
  5. Step 5: Solve for x
    x = 35,188,433.34/5,550.80
  6. Step 6: Final answer
    x = 6,339.34

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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.