Home / 5,708.74-7,877.78-3,190.36

Finding the Fourth Proportional to 5,708.74, 7,877.78 and 3,190.36

Calculator

Solution

The fourth proportional to 5,708.74, 7,877.78 and 3,190.36 is: 4,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.74 : 7,877.78 = 3,190.36 : x
  2. Step 2: Convert to fraction form
    5,708.74/7,877.78 = 3,190.36/x
  3. Step 3: Cross multiply
    5,708.74x = 7,877.78 × 3,190.36
  4. Step 4: Simplify right side
    5,708.74x = 25,132,954.20
  5. Step 5: Solve for x
    x = 25,132,954.20/5,708.74
  6. Step 6: Final answer
    x = 4,402.54

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.