Home / 7,125.78-10,672.74-4,120.14

Finding the Fourth Proportional to 7,125.78, 10,672.74 and 4,120.14

Calculator

Solution

The fourth proportional to 7,125.78, 10,672.74 and 4,120.14 is: 6,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.78 : 10,672.74 = 4,120.14 : x
  2. Step 2: Convert to fraction form
    7,125.78/10,672.74 = 4,120.14/x
  3. Step 3: Cross multiply
    7,125.78x = 10,672.74 × 4,120.14
  4. Step 4: Simplify right side
    7,125.78x = 43,973,182.98
  5. Step 5: Solve for x
    x = 43,973,182.98/7,125.78
  6. Step 6: Final answer
    x = 6,171.00

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.