Home / 6,120.58-9,178.08-1,959.64

Finding the Fourth Proportional to 6,120.58, 9,178.08 and 1,959.64

Calculator

Solution

The fourth proportional to 6,120.58, 9,178.08 and 1,959.64 is: 2,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.58 : 9,178.08 = 1,959.64 : x
  2. Step 2: Convert to fraction form
    6,120.58/9,178.08 = 1,959.64/x
  3. Step 3: Cross multiply
    6,120.58x = 9,178.08 × 1,959.64
  4. Step 4: Simplify right side
    6,120.58x = 17,985,732.69
  5. Step 5: Solve for x
    x = 17,985,732.69/6,120.58
  6. Step 6: Final answer
    x = 2,938.57

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.