Home / 6,315.42-8,715.22-3,482.72

Finding the Fourth Proportional to 6,315.42, 8,715.22 and 3,482.72

Calculator

Solution

The fourth proportional to 6,315.42, 8,715.22 and 3,482.72 is: 4,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.42 : 8,715.22 = 3,482.72 : x
  2. Step 2: Convert to fraction form
    6,315.42/8,715.22 = 3,482.72/x
  3. Step 3: Cross multiply
    6,315.42x = 8,715.22 × 3,482.72
  4. Step 4: Simplify right side
    6,315.42x = 30,352,685.70
  5. Step 5: Solve for x
    x = 30,352,685.70/6,315.42
  6. Step 6: Final answer
    x = 4,806.12

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.