Home / 5,715-7,878.95-4,884.62

Finding the Fourth Proportional to 5,715, 7,878.95 and 4,884.62

Calculator

Solution

The fourth proportional to 5,715, 7,878.95 and 4,884.62 is: 6,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715 : 7,878.95 = 4,884.62 : x
  2. Step 2: Convert to fraction form
    5,715/7,878.95 = 4,884.62/x
  3. Step 3: Cross multiply
    5,715x = 7,878.95 × 4,884.62
  4. Step 4: Simplify right side
    5,715x = 38,485,672.02
  5. Step 5: Solve for x
    x = 38,485,672.02/5,715
  6. Step 6: Final answer
    x = 6,734.15

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.