Home / 4,796.74-7,187.78-2,021.90

Finding the Fourth Proportional to 4,796.74, 7,187.78 and 2,021.90

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Solution

The fourth proportional to 4,796.74, 7,187.78 and 2,021.90 is: 3,029.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,796.74 : 7,187.78 = 2,021.90 : x
  2. Step 2: Convert to fraction form
    4,796.74/7,187.78 = 2,021.90/x
  3. Step 3: Cross multiply
    4,796.74x = 7,187.78 × 2,021.90
  4. Step 4: Simplify right side
    4,796.74x = 14,532,972.38
  5. Step 5: Solve for x
    x = 14,532,972.38/4,796.74
  6. Step 6: Final answer
    x = 3,029.76

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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.