Home / 7,700.78-11,551.44-5,102.30

Finding the Fourth Proportional to 7,700.78, 11,551.44 and 5,102.30

Calculator

Solution

The fourth proportional to 7,700.78, 11,551.44 and 5,102.30 is: 7,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.78 : 11,551.44 = 5,102.30 : x
  2. Step 2: Convert to fraction form
    7,700.78/11,551.44 = 5,102.30/x
  3. Step 3: Cross multiply
    7,700.78x = 11,551.44 × 5,102.30
  4. Step 4: Simplify right side
    7,700.78x = 58,938,912.31
  5. Step 5: Solve for x
    x = 58,938,912.31/7,700.78
  6. Step 6: Final answer
    x = 7,653.63

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.