Home / 7,711.89-10,642.41-4,175.10

Finding the Fourth Proportional to 7,711.89, 10,642.41 and 4,175.10

Calculator

Solution

The fourth proportional to 7,711.89, 10,642.41 and 4,175.10 is: 5,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.89 : 10,642.41 = 4,175.10 : x
  2. Step 2: Convert to fraction form
    7,711.89/10,642.41 = 4,175.10/x
  3. Step 3: Cross multiply
    7,711.89x = 10,642.41 × 4,175.10
  4. Step 4: Simplify right side
    7,711.89x = 44,433,070.43
  5. Step 5: Solve for x
    x = 44,433,070.43/7,711.89
  6. Step 6: Final answer
    x = 5,761.63

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.