Home / 4,879.50-7,320.17-1,958.03

Finding the Fourth Proportional to 4,879.50, 7,320.17 and 1,958.03

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Solution

The fourth proportional to 4,879.50, 7,320.17 and 1,958.03 is: 2,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.50 : 7,320.17 = 1,958.03 : x
  2. Step 2: Convert to fraction form
    4,879.50/7,320.17 = 1,958.03/x
  3. Step 3: Cross multiply
    4,879.50x = 7,320.17 × 1,958.03
  4. Step 4: Simplify right side
    4,879.50x = 14,333,135.66
  5. Step 5: Solve for x
    x = 14,333,135.66/4,879.50
  6. Step 6: Final answer
    x = 2,937.42

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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.