Home / 9,291.24-12,821.22-5,312.20

Finding the Fourth Proportional to 9,291.24, 12,821.22 and 5,312.20

Calculator

Solution

The fourth proportional to 9,291.24, 12,821.22 and 5,312.20 is: 7,330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.24 : 12,821.22 = 5,312.20 : x
  2. Step 2: Convert to fraction form
    9,291.24/12,821.22 = 5,312.20/x
  3. Step 3: Cross multiply
    9,291.24x = 12,821.22 × 5,312.20
  4. Step 4: Simplify right side
    9,291.24x = 68,108,884.88
  5. Step 5: Solve for x
    x = 68,108,884.88/9,291.24
  6. Step 6: Final answer
    x = 7,330.44

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.