Home / 5,518.60-7,616.36-3,160.69

Finding the Fourth Proportional to 5,518.60, 7,616.36 and 3,160.69

Calculator

Solution

The fourth proportional to 5,518.60, 7,616.36 and 3,160.69 is: 4,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.60 : 7,616.36 = 3,160.69 : x
  2. Step 2: Convert to fraction form
    5,518.60/7,616.36 = 3,160.69/x
  3. Step 3: Cross multiply
    5,518.60x = 7,616.36 × 3,160.69
  4. Step 4: Simplify right side
    5,518.60x = 24,072,941.75
  5. Step 5: Solve for x
    x = 24,072,941.75/5,518.60
  6. Step 6: Final answer
    x = 4,362.15

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.