Home / 7,183.80-9,913.76-4,039.96

Finding the Fourth Proportional to 7,183.80, 9,913.76 and 4,039.96

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Solution

The fourth proportional to 7,183.80, 9,913.76 and 4,039.96 is: 5,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.80 : 9,913.76 = 4,039.96 : x
  2. Step 2: Convert to fraction form
    7,183.80/9,913.76 = 4,039.96/x
  3. Step 3: Cross multiply
    7,183.80x = 9,913.76 × 4,039.96
  4. Step 4: Simplify right side
    7,183.80x = 40,051,193.85
  5. Step 5: Solve for x
    x = 40,051,193.85/7,183.80
  6. Step 6: Final answer
    x = 5,575.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.