Home / 7,785-10,744.29-5,137.92

Finding the Fourth Proportional to 7,785, 10,744.29 and 5,137.92

Calculator

Solution

The fourth proportional to 7,785, 10,744.29 and 5,137.92 is: 7,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785 : 10,744.29 = 5,137.92 : x
  2. Step 2: Convert to fraction form
    7,785/10,744.29 = 5,137.92/x
  3. Step 3: Cross multiply
    7,785x = 10,744.29 × 5,137.92
  4. Step 4: Simplify right side
    7,785x = 55,203,302.48
  5. Step 5: Solve for x
    x = 55,203,302.48/7,785
  6. Step 6: Final answer
    x = 7,090.98

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.