Home / 9,260.78-12,779.07-5,227.39

Finding the Fourth Proportional to 9,260.78, 12,779.07 and 5,227.39

Calculator

Solution

The fourth proportional to 9,260.78, 12,779.07 and 5,227.39 is: 7,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.78 : 12,779.07 = 5,227.39 : x
  2. Step 2: Convert to fraction form
    9,260.78/12,779.07 = 5,227.39/x
  3. Step 3: Cross multiply
    9,260.78x = 12,779.07 × 5,227.39
  4. Step 4: Simplify right side
    9,260.78x = 66,801,118.83
  5. Step 5: Solve for x
    x = 66,801,118.83/9,260.78
  6. Step 6: Final answer
    x = 7,213.34

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.