Home / 8,420.96-11,620.84-4,836.50

Finding the Fourth Proportional to 8,420.96, 11,620.84 and 4,836.50

Calculator

Solution

The fourth proportional to 8,420.96, 11,620.84 and 4,836.50 is: 6,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420.96 : 11,620.84 = 4,836.50 : x
  2. Step 2: Convert to fraction form
    8,420.96/11,620.84 = 4,836.50/x
  3. Step 3: Cross multiply
    8,420.96x = 11,620.84 × 4,836.50
  4. Step 4: Simplify right side
    8,420.96x = 56,204,192.66
  5. Step 5: Solve for x
    x = 56,204,192.66/8,420.96
  6. Step 6: Final answer
    x = 6,674.32

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.