Home / 4,919.63-7,379.89-1,632.75

Finding the Fourth Proportional to 4,919.63, 7,379.89 and 1,632.75

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Solution

The fourth proportional to 4,919.63, 7,379.89 and 1,632.75 is: 2,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.63 : 7,379.89 = 1,632.75 : x
  2. Step 2: Convert to fraction form
    4,919.63/7,379.89 = 1,632.75/x
  3. Step 3: Cross multiply
    4,919.63x = 7,379.89 × 1,632.75
  4. Step 4: Simplify right side
    4,919.63x = 12,049,507.23
  5. Step 5: Solve for x
    x = 12,049,507.23/4,919.63
  6. Step 6: Final answer
    x = 2,449.27

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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.