Home / 4,942.87-7,414.31-1,982.67

Finding the Fourth Proportional to 4,942.87, 7,414.31 and 1,982.67

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Solution

The fourth proportional to 4,942.87, 7,414.31 and 1,982.67 is: 2,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.87 : 7,414.31 = 1,982.67 : x
  2. Step 2: Convert to fraction form
    4,942.87/7,414.31 = 1,982.67/x
  3. Step 3: Cross multiply
    4,942.87x = 7,414.31 × 1,982.67
  4. Step 4: Simplify right side
    4,942.87x = 14,700,130.01
  5. Step 5: Solve for x
    x = 14,700,130.01/4,942.87
  6. Step 6: Final answer
    x = 2,974.01

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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.