Home / 7,784.29-10,742.36-4,247.58

Finding the Fourth Proportional to 7,784.29, 10,742.36 and 4,247.58

Calculator

Solution

The fourth proportional to 7,784.29, 10,742.36 and 4,247.58 is: 5,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.29 : 10,742.36 = 4,247.58 : x
  2. Step 2: Convert to fraction form
    7,784.29/10,742.36 = 4,247.58/x
  3. Step 3: Cross multiply
    7,784.29x = 10,742.36 × 4,247.58
  4. Step 4: Simplify right side
    7,784.29x = 45,629,033.49
  5. Step 5: Solve for x
    x = 45,629,033.49/7,784.29
  6. Step 6: Final answer
    x = 5,861.68

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.