Home / 7,172.06-9,897.45-4,028.25

Finding the Fourth Proportional to 7,172.06, 9,897.45 and 4,028.25

Calculator

Solution

The fourth proportional to 7,172.06, 9,897.45 and 4,028.25 is: 5,558.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.06 : 9,897.45 = 4,028.25 : x
  2. Step 2: Convert to fraction form
    7,172.06/9,897.45 = 4,028.25/x
  3. Step 3: Cross multiply
    7,172.06x = 9,897.45 × 4,028.25
  4. Step 4: Simplify right side
    7,172.06x = 39,869,402.96
  5. Step 5: Solve for x
    x = 39,869,402.96/7,172.06
  6. Step 6: Final answer
    x = 5,558.99

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.