Home / 5,103.35-7,043.09-2,979.91

Finding the Fourth Proportional to 5,103.35, 7,043.09 and 2,979.91

Calculator

Solution

The fourth proportional to 5,103.35, 7,043.09 and 2,979.91 is: 4,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.35 : 7,043.09 = 2,979.91 : x
  2. Step 2: Convert to fraction form
    5,103.35/7,043.09 = 2,979.91/x
  3. Step 3: Cross multiply
    5,103.35x = 7,043.09 × 2,979.91
  4. Step 4: Simplify right side
    5,103.35x = 20,987,779.40
  5. Step 5: Solve for x
    x = 20,987,779.40/5,103.35
  6. Step 6: Final answer
    x = 4,112.55

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.