Home / 5,375.16-7,420.14-5,165.64

Finding the Fourth Proportional to 5,375.16, 7,420.14 and 5,165.64

Calculator

Solution

The fourth proportional to 5,375.16, 7,420.14 and 5,165.64 is: 7,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.16 : 7,420.14 = 5,165.64 : x
  2. Step 2: Convert to fraction form
    5,375.16/7,420.14 = 5,165.64/x
  3. Step 3: Cross multiply
    5,375.16x = 7,420.14 × 5,165.64
  4. Step 4: Simplify right side
    5,375.16x = 38,329,771.99
  5. Step 5: Solve for x
    x = 38,329,771.99/5,375.16
  6. Step 6: Final answer
    x = 7,130.91

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.