Home / 6,744.96-10,111.68-3,974.40

Finding the Fourth Proportional to 6,744.96, 10,111.68 and 3,974.40

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Solution

The fourth proportional to 6,744.96, 10,111.68 and 3,974.40 is: 5,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.96 : 10,111.68 = 3,974.40 : x
  2. Step 2: Convert to fraction form
    6,744.96/10,111.68 = 3,974.40/x
  3. Step 3: Cross multiply
    6,744.96x = 10,111.68 × 3,974.40
  4. Step 4: Simplify right side
    6,744.96x = 40,187,860.99
  5. Step 5: Solve for x
    x = 40,187,860.99/6,744.96
  6. Step 6: Final answer
    x = 5,958.21

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1.5x scale

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.