Home / 8,921.98-12,311.99-4,943.01

Finding the Fourth Proportional to 8,921.98, 12,311.99 and 4,943.01

Calculator

Solution

The fourth proportional to 8,921.98, 12,311.99 and 4,943.01 is: 6,821.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.98 : 12,311.99 = 4,943.01 : x
  2. Step 2: Convert to fraction form
    8,921.98/12,311.99 = 4,943.01/x
  3. Step 3: Cross multiply
    8,921.98x = 12,311.99 × 4,943.01
  4. Step 4: Simplify right side
    8,921.98x = 60,858,302.05
  5. Step 5: Solve for x
    x = 60,858,302.05/8,921.98
  6. Step 6: Final answer
    x = 6,821.17

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.