Home / 8,720.96-12,037.56-5,928.08

Finding the Fourth Proportional to 8,720.96, 12,037.56 and 5,928.08

Calculator

Solution

The fourth proportional to 8,720.96, 12,037.56 and 5,928.08 is: 8,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.96 : 12,037.56 = 5,928.08 : x
  2. Step 2: Convert to fraction form
    8,720.96/12,037.56 = 5,928.08/x
  3. Step 3: Cross multiply
    8,720.96x = 12,037.56 × 5,928.08
  4. Step 4: Simplify right side
    8,720.96x = 71,359,618.68
  5. Step 5: Solve for x
    x = 71,359,618.68/8,720.96
  6. Step 6: Final answer
    x = 8,182.54

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.