Home / 7,365.85-10,162.58-4,178.90

Finding the Fourth Proportional to 7,365.85, 10,162.58 and 4,178.90

Calculator

Solution

The fourth proportional to 7,365.85, 10,162.58 and 4,178.90 is: 5,765.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.85 : 10,162.58 = 4,178.90 : x
  2. Step 2: Convert to fraction form
    7,365.85/10,162.58 = 4,178.90/x
  3. Step 3: Cross multiply
    7,365.85x = 10,162.58 × 4,178.90
  4. Step 4: Simplify right side
    7,365.85x = 42,468,405.56
  5. Step 5: Solve for x
    x = 42,468,405.56/7,365.85
  6. Step 6: Final answer
    x = 5,765.59

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.