Home / 5,760.72-8,641.44-1,865.52

Finding the Fourth Proportional to 5,760.72, 8,641.44 and 1,865.52

Calculator

Solution

The fourth proportional to 5,760.72, 8,641.44 and 1,865.52 is: 2,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.72 : 8,641.44 = 1,865.52 : x
  2. Step 2: Convert to fraction form
    5,760.72/8,641.44 = 1,865.52/x
  3. Step 3: Cross multiply
    5,760.72x = 8,641.44 × 1,865.52
  4. Step 4: Simplify right side
    5,760.72x = 16,120,779.15
  5. Step 5: Solve for x
    x = 16,120,779.15/5,760.72
  6. Step 6: Final answer
    x = 2,798.40

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.