Home / 5,814.74-8,021.34-3,923.90

Finding the Fourth Proportional to 5,814.74, 8,021.34 and 3,923.90

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Solution

The fourth proportional to 5,814.74, 8,021.34 and 3,923.90 is: 5,412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.74 : 8,021.34 = 3,923.90 : x
  2. Step 2: Convert to fraction form
    5,814.74/8,021.34 = 3,923.90/x
  3. Step 3: Cross multiply
    5,814.74x = 8,021.34 × 3,923.90
  4. Step 4: Simplify right side
    5,814.74x = 31,474,936.03
  5. Step 5: Solve for x
    x = 31,474,936.03/5,814.74
  6. Step 6: Final answer
    x = 5,412.96

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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.