Home / 8,572.28-12,865.66-3,381.80

Finding the Fourth Proportional to 8,572.28, 12,865.66 and 3,381.80

Calculator

Solution

The fourth proportional to 8,572.28, 12,865.66 and 3,381.80 is: 5,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.28 : 12,865.66 = 3,381.80 : x
  2. Step 2: Convert to fraction form
    8,572.28/12,865.66 = 3,381.80/x
  3. Step 3: Cross multiply
    8,572.28x = 12,865.66 × 3,381.80
  4. Step 4: Simplify right side
    8,572.28x = 43,509,016.21
  5. Step 5: Solve for x
    x = 43,509,016.21/8,572.28
  6. Step 6: Final answer
    x = 5,075.55

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.