Home / 7,681.24-10,603.38-5,164.81

Finding the Fourth Proportional to 7,681.24, 10,603.38 and 5,164.81

Calculator

Solution

The fourth proportional to 7,681.24, 10,603.38 and 5,164.81 is: 7,129.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.24 : 10,603.38 = 5,164.81 : x
  2. Step 2: Convert to fraction form
    7,681.24/10,603.38 = 5,164.81/x
  3. Step 3: Cross multiply
    7,681.24x = 10,603.38 × 5,164.81
  4. Step 4: Simplify right side
    7,681.24x = 54,764,435.92
  5. Step 5: Solve for x
    x = 54,764,435.92/7,681.24
  6. Step 6: Final answer
    x = 7,129.63

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.