Home / 5,762.48-8,640.64-1,813

Finding the Fourth Proportional to 5,762.48, 8,640.64 and 1,813

Calculator

Solution

The fourth proportional to 5,762.48, 8,640.64 and 1,813 is: 2,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,762.48 : 8,640.64 = 1,813 : x
  2. Step 2: Convert to fraction form
    5,762.48/8,640.64 = 1,813/x
  3. Step 3: Cross multiply
    5,762.48x = 8,640.64 × 1,813
  4. Step 4: Simplify right side
    5,762.48x = 15,665,480.32
  5. Step 5: Solve for x
    x = 15,665,480.32/5,762.48
  6. Step 6: Final answer
    x = 2,718.53

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.