Home / 4,879.88-7,320.74-1,958.41

Finding the Fourth Proportional to 4,879.88, 7,320.74 and 1,958.41

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Solution

The fourth proportional to 4,879.88, 7,320.74 and 1,958.41 is: 2,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.88 : 7,320.74 = 1,958.41 : x
  2. Step 2: Convert to fraction form
    4,879.88/7,320.74 = 1,958.41/x
  3. Step 3: Cross multiply
    4,879.88x = 7,320.74 × 1,958.41
  4. Step 4: Simplify right side
    4,879.88x = 14,336,982.33
  5. Step 5: Solve for x
    x = 14,336,982.33/4,879.88
  6. Step 6: Final answer
    x = 2,937.98

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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.