Home / 9,208.91-12,709.96-5,431.86

Finding the Fourth Proportional to 9,208.91, 12,709.96 and 5,431.86

Calculator

Solution

The fourth proportional to 9,208.91, 12,709.96 and 5,431.86 is: 7,496.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.91 : 12,709.96 = 5,431.86 : x
  2. Step 2: Convert to fraction form
    9,208.91/12,709.96 = 5,431.86/x
  3. Step 3: Cross multiply
    9,208.91x = 12,709.96 × 5,431.86
  4. Step 4: Simplify right side
    9,208.91x = 69,038,709.75
  5. Step 5: Solve for x
    x = 69,038,709.75/9,208.91
  6. Step 6: Final answer
    x = 7,496.94

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.