Home / 8,555.36-11,809.44-5,196.80

Finding the Fourth Proportional to 8,555.36, 11,809.44 and 5,196.80

Calculator

Solution

The fourth proportional to 8,555.36, 11,809.44 and 5,196.80 is: 7,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.36 : 11,809.44 = 5,196.80 : x
  2. Step 2: Convert to fraction form
    8,555.36/11,809.44 = 5,196.80/x
  3. Step 3: Cross multiply
    8,555.36x = 11,809.44 × 5,196.80
  4. Step 4: Simplify right side
    8,555.36x = 61,371,297.79
  5. Step 5: Solve for x
    x = 61,371,297.79/8,555.36
  6. Step 6: Final answer
    x = 7,173.43

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.