Home / 6,868.50-9,478.65-3,724.74

Finding the Fourth Proportional to 6,868.50, 9,478.65 and 3,724.74

Calculator

Solution

The fourth proportional to 6,868.50, 9,478.65 and 3,724.74 is: 5,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.50 : 9,478.65 = 3,724.74 : x
  2. Step 2: Convert to fraction form
    6,868.50/9,478.65 = 3,724.74/x
  3. Step 3: Cross multiply
    6,868.50x = 9,478.65 × 3,724.74
  4. Step 4: Simplify right side
    6,868.50x = 35,305,506.80
  5. Step 5: Solve for x
    x = 35,305,506.80/6,868.50
  6. Step 6: Final answer
    x = 5,140.21

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.