Home / 5,215.23-7,823.32-1,705.25

Finding the Fourth Proportional to 5,215.23, 7,823.32 and 1,705.25

Calculator

Solution

The fourth proportional to 5,215.23, 7,823.32 and 1,705.25 is: 2,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.23 : 7,823.32 = 1,705.25 : x
  2. Step 2: Convert to fraction form
    5,215.23/7,823.32 = 1,705.25/x
  3. Step 3: Cross multiply
    5,215.23x = 7,823.32 × 1,705.25
  4. Step 4: Simplify right side
    5,215.23x = 13,340,738.12
  5. Step 5: Solve for x
    x = 13,340,738.12/5,215.23
  6. Step 6: Final answer
    x = 2,558.04

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.