Home / 7,118.64-9,813.84-6,134.40

Finding the Fourth Proportional to 7,118.64, 9,813.84 and 6,134.40

Calculator

Solution

The fourth proportional to 7,118.64, 9,813.84 and 6,134.40 is: 8,456.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.64 : 9,813.84 = 6,134.40 : x
  2. Step 2: Convert to fraction form
    7,118.64/9,813.84 = 6,134.40/x
  3. Step 3: Cross multiply
    7,118.64x = 9,813.84 × 6,134.40
  4. Step 4: Simplify right side
    7,118.64x = 60,202,020.10
  5. Step 5: Solve for x
    x = 60,202,020.10/7,118.64
  6. Step 6: Final answer
    x = 8,456.96

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.