Home / 5,657.96-8,489.73-3,785.09

Finding the Fourth Proportional to 5,657.96, 8,489.73 and 3,785.09

Calculator

Solution

The fourth proportional to 5,657.96, 8,489.73 and 3,785.09 is: 5,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.96 : 8,489.73 = 3,785.09 : x
  2. Step 2: Convert to fraction form
    5,657.96/8,489.73 = 3,785.09/x
  3. Step 3: Cross multiply
    5,657.96x = 8,489.73 × 3,785.09
  4. Step 4: Simplify right side
    5,657.96x = 32,134,349.68
  5. Step 5: Solve for x
    x = 32,134,349.68/5,657.96
  6. Step 6: Final answer
    x = 5,679.50

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.