Home / 4,921.62-7,384.50-2,148.99

Finding the Fourth Proportional to 4,921.62, 7,384.50 and 2,148.99

Calculator

Solution

The fourth proportional to 4,921.62, 7,384.50 and 2,148.99 is: 3,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.62 : 7,384.50 = 2,148.99 : x
  2. Step 2: Convert to fraction form
    4,921.62/7,384.50 = 2,148.99/x
  3. Step 3: Cross multiply
    4,921.62x = 7,384.50 × 2,148.99
  4. Step 4: Simplify right side
    4,921.62x = 15,869,216.66
  5. Step 5: Solve for x
    x = 15,869,216.66/4,921.62
  6. Step 6: Final answer
    x = 3,224.39

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.