Home / 6,291.45-9,429.57-3,515.22

Finding the Fourth Proportional to 6,291.45, 9,429.57 and 3,515.22

Calculator

Solution

The fourth proportional to 6,291.45, 9,429.57 and 3,515.22 is: 5,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.45 : 9,429.57 = 3,515.22 : x
  2. Step 2: Convert to fraction form
    6,291.45/9,429.57 = 3,515.22/x
  3. Step 3: Cross multiply
    6,291.45x = 9,429.57 × 3,515.22
  4. Step 4: Simplify right side
    6,291.45x = 33,147,013.06
  5. Step 5: Solve for x
    x = 33,147,013.06/6,291.45
  6. Step 6: Final answer
    x = 5,268.58

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.