Home / 5,219.12-7,202.46-3,122.84

Finding the Fourth Proportional to 5,219.12, 7,202.46 and 3,122.84

Calculator

Solution

The fourth proportional to 5,219.12, 7,202.46 and 3,122.84 is: 4,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.12 : 7,202.46 = 3,122.84 : x
  2. Step 2: Convert to fraction form
    5,219.12/7,202.46 = 3,122.84/x
  3. Step 3: Cross multiply
    5,219.12x = 7,202.46 × 3,122.84
  4. Step 4: Simplify right side
    5,219.12x = 22,492,130.19
  5. Step 5: Solve for x
    x = 22,492,130.19/5,219.12
  6. Step 6: Final answer
    x = 4,309.56

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.