Home / 7,085.39-9,777.57-3,941.51

Finding the Fourth Proportional to 7,085.39, 9,777.57 and 3,941.51

Calculator

Solution

The fourth proportional to 7,085.39, 9,777.57 and 3,941.51 is: 5,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.39 : 9,777.57 = 3,941.51 : x
  2. Step 2: Convert to fraction form
    7,085.39/9,777.57 = 3,941.51/x
  3. Step 3: Cross multiply
    7,085.39x = 9,777.57 × 3,941.51
  4. Step 4: Simplify right side
    7,085.39x = 38,538,341.04
  5. Step 5: Solve for x
    x = 38,538,341.04/7,085.39
  6. Step 6: Final answer
    x = 5,439.13

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.