Home / 8,609.16-11,880-4,831.77

Finding the Fourth Proportional to 8,609.16, 11,880 and 4,831.77

Calculator

Solution

The fourth proportional to 8,609.16, 11,880 and 4,831.77 is: 6,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.16 : 11,880 = 4,831.77 : x
  2. Step 2: Convert to fraction form
    8,609.16/11,880 = 4,831.77/x
  3. Step 3: Cross multiply
    8,609.16x = 11,880 × 4,831.77
  4. Step 4: Simplify right side
    8,609.16x = 57,401,427.60
  5. Step 5: Solve for x
    x = 57,401,427.60/8,609.16
  6. Step 6: Final answer
    x = 6,667.48

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.