Home / 6,747.80-9,310.40-4,057.78

Finding the Fourth Proportional to 6,747.80, 9,310.40 and 4,057.78

Calculator

Solution

The fourth proportional to 6,747.80, 9,310.40 and 4,057.78 is: 5,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.80 : 9,310.40 = 4,057.78 : x
  2. Step 2: Convert to fraction form
    6,747.80/9,310.40 = 4,057.78/x
  3. Step 3: Cross multiply
    6,747.80x = 9,310.40 × 4,057.78
  4. Step 4: Simplify right side
    6,747.80x = 37,779,554.91
  5. Step 5: Solve for x
    x = 37,779,554.91/6,747.80
  6. Step 6: Final answer
    x = 5,598.80

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.