Home / 8,574.32-11,833.41-5,390.02

Finding the Fourth Proportional to 8,574.32, 11,833.41 and 5,390.02

Calculator

Solution

The fourth proportional to 8,574.32, 11,833.41 and 5,390.02 is: 7,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.32 : 11,833.41 = 5,390.02 : x
  2. Step 2: Convert to fraction form
    8,574.32/11,833.41 = 5,390.02/x
  3. Step 3: Cross multiply
    8,574.32x = 11,833.41 × 5,390.02
  4. Step 4: Simplify right side
    8,574.32x = 63,782,286.98
  5. Step 5: Solve for x
    x = 63,782,286.98/8,574.32
  6. Step 6: Final answer
    x = 7,438.76

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.