Home / 8,162.60-12,242.66-2,615.36

Finding the Fourth Proportional to 8,162.60, 12,242.66 and 2,615.36

Calculator

Solution

The fourth proportional to 8,162.60, 12,242.66 and 2,615.36 is: 3,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.60 : 12,242.66 = 2,615.36 : x
  2. Step 2: Convert to fraction form
    8,162.60/12,242.66 = 2,615.36/x
  3. Step 3: Cross multiply
    8,162.60x = 12,242.66 × 2,615.36
  4. Step 4: Simplify right side
    8,162.60x = 32,018,888.97
  5. Step 5: Solve for x
    x = 32,018,888.97/8,162.60
  6. Step 6: Final answer
    x = 3,922.64

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.