Home / 4,982.12-6,870.66-3,936.68

Finding the Fourth Proportional to 4,982.12, 6,870.66 and 3,936.68

Calculator

Solution

The fourth proportional to 4,982.12, 6,870.66 and 3,936.68 is: 5,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.12 : 6,870.66 = 3,936.68 : x
  2. Step 2: Convert to fraction form
    4,982.12/6,870.66 = 3,936.68/x
  3. Step 3: Cross multiply
    4,982.12x = 6,870.66 × 3,936.68
  4. Step 4: Simplify right side
    4,982.12x = 27,047,589.81
  5. Step 5: Solve for x
    x = 27,047,589.81/4,982.12
  6. Step 6: Final answer
    x = 5,428.93

Related Problems

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.