Home / 7,172.76-10,759.96-1,907.99

Finding the Fourth Proportional to 7,172.76, 10,759.96 and 1,907.99

Calculator

Solution

The fourth proportional to 7,172.76, 10,759.96 and 1,907.99 is: 2,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.76 : 10,759.96 = 1,907.99 : x
  2. Step 2: Convert to fraction form
    7,172.76/10,759.96 = 1,907.99/x
  3. Step 3: Cross multiply
    7,172.76x = 10,759.96 × 1,907.99
  4. Step 4: Simplify right side
    7,172.76x = 20,529,863.16
  5. Step 5: Solve for x
    x = 20,529,863.16/7,172.76
  6. Step 6: Final answer
    x = 2,862.20

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.