Home / 8,196.39-12,291.96-2,648.55

Finding the Fourth Proportional to 8,196.39, 12,291.96 and 2,648.55

Calculator

Solution

The fourth proportional to 8,196.39, 12,291.96 and 2,648.55 is: 3,971.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196.39 : 12,291.96 = 2,648.55 : x
  2. Step 2: Convert to fraction form
    8,196.39/12,291.96 = 2,648.55/x
  3. Step 3: Cross multiply
    8,196.39x = 12,291.96 × 2,648.55
  4. Step 4: Simplify right side
    8,196.39x = 32,555,870.66
  5. Step 5: Solve for x
    x = 32,555,870.66/8,196.39
  6. Step 6: Final answer
    x = 3,971.98

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.