Home / 4,924.20-7,379.37-4,190.88

Finding the Fourth Proportional to 4,924.20, 7,379.37 and 4,190.88

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Solution

The fourth proportional to 4,924.20, 7,379.37 and 4,190.88 is: 6,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,924.20 : 7,379.37 = 4,190.88 : x
  2. Step 2: Convert to fraction form
    4,924.20/7,379.37 = 4,190.88/x
  3. Step 3: Cross multiply
    4,924.20x = 7,379.37 × 4,190.88
  4. Step 4: Simplify right side
    4,924.20x = 30,926,054.15
  5. Step 5: Solve for x
    x = 30,926,054.15/4,924.20
  6. Step 6: Final answer
    x = 6,280.42

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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.