Home / 5,141.55-7,716.42-1,856.94

Finding the Fourth Proportional to 5,141.55, 7,716.42 and 1,856.94

Calculator

Solution

The fourth proportional to 5,141.55, 7,716.42 and 1,856.94 is: 2,786.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.55 : 7,716.42 = 1,856.94 : x
  2. Step 2: Convert to fraction form
    5,141.55/7,716.42 = 1,856.94/x
  3. Step 3: Cross multiply
    5,141.55x = 7,716.42 × 1,856.94
  4. Step 4: Simplify right side
    5,141.55x = 14,328,928.95
  5. Step 5: Solve for x
    x = 14,328,928.95/5,141.55
  6. Step 6: Final answer
    x = 2,786.89

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.