Home / 9,884.49-13,640.40-5,408.09

Finding the Fourth Proportional to 9,884.49, 13,640.40 and 5,408.09

Calculator

Solution

The fourth proportional to 9,884.49, 13,640.40 and 5,408.09 is: 7,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,884.49 : 13,640.40 = 5,408.09 : x
  2. Step 2: Convert to fraction form
    9,884.49/13,640.40 = 5,408.09/x
  3. Step 3: Cross multiply
    9,884.49x = 13,640.40 × 5,408.09
  4. Step 4: Simplify right side
    9,884.49x = 73,768,510.84
  5. Step 5: Solve for x
    x = 73,768,510.84/9,884.49
  6. Step 6: Final answer
    x = 7,463.06

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.