Home / 7,685.12-11,516.86-6,118.16

Finding the Fourth Proportional to 7,685.12, 11,516.86 and 6,118.16

Calculator

Solution

The fourth proportional to 7,685.12, 11,516.86 and 6,118.16 is: 9,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.12 : 11,516.86 = 6,118.16 : x
  2. Step 2: Convert to fraction form
    7,685.12/11,516.86 = 6,118.16/x
  3. Step 3: Cross multiply
    7,685.12x = 11,516.86 × 6,118.16
  4. Step 4: Simplify right side
    7,685.12x = 70,461,992.18
  5. Step 5: Solve for x
    x = 70,461,992.18/7,685.12
  6. Step 6: Final answer
    x = 9,168.63

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.