Home / 9,769.30-13,481.09-5,520.85

Finding the Fourth Proportional to 9,769.30, 13,481.09 and 5,520.85

Calculator

Solution

The fourth proportional to 9,769.30, 13,481.09 and 5,520.85 is: 7,618.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,769.30 : 13,481.09 = 5,520.85 : x
  2. Step 2: Convert to fraction form
    9,769.30/13,481.09 = 5,520.85/x
  3. Step 3: Cross multiply
    9,769.30x = 13,481.09 × 5,520.85
  4. Step 4: Simplify right side
    9,769.30x = 74,427,075.73
  5. Step 5: Solve for x
    x = 74,427,075.73/9,769.30
  6. Step 6: Final answer
    x = 7,618.47

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.