Home / 7,014.87-9,679.83-3,870.84

Finding the Fourth Proportional to 7,014.87, 9,679.83 and 3,870.84

Calculator

Solution

The fourth proportional to 7,014.87, 9,679.83 and 3,870.84 is: 5,341.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.87 : 9,679.83 = 3,870.84 : x
  2. Step 2: Convert to fraction form
    7,014.87/9,679.83 = 3,870.84/x
  3. Step 3: Cross multiply
    7,014.87x = 9,679.83 × 3,870.84
  4. Step 4: Simplify right side
    7,014.87x = 37,469,073.16
  5. Step 5: Solve for x
    x = 37,469,073.16/7,014.87
  6. Step 6: Final answer
    x = 5,341.38

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.