Home / 5,620.66-8,388.25-4,997.89

Finding the Fourth Proportional to 5,620.66, 8,388.25 and 4,997.89

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Solution

The fourth proportional to 5,620.66, 8,388.25 and 4,997.89 is: 7,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.66 : 8,388.25 = 4,997.89 : x
  2. Step 2: Convert to fraction form
    5,620.66/8,388.25 = 4,997.89/x
  3. Step 3: Cross multiply
    5,620.66x = 8,388.25 × 4,997.89
  4. Step 4: Simplify right side
    5,620.66x = 41,923,550.79
  5. Step 5: Solve for x
    x = 41,923,550.79/5,620.66
  6. Step 6: Final answer
    x = 7,458.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.