Home / 4,918.42-7,379.45-2,287.34

Finding the Fourth Proportional to 4,918.42, 7,379.45 and 2,287.34

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Solution

The fourth proportional to 4,918.42, 7,379.45 and 2,287.34 is: 3,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.42 : 7,379.45 = 2,287.34 : x
  2. Step 2: Convert to fraction form
    4,918.42/7,379.45 = 2,287.34/x
  3. Step 3: Cross multiply
    4,918.42x = 7,379.45 × 2,287.34
  4. Step 4: Simplify right side
    4,918.42x = 16,879,279.98
  5. Step 5: Solve for x
    x = 16,879,279.98/4,918.42
  6. Step 6: Final answer
    x = 3,431.85

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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.