Home / 7,643.26-10,549.94-4,991.08

Finding the Fourth Proportional to 7,643.26, 10,549.94 and 4,991.08

Calculator

Solution

The fourth proportional to 7,643.26, 10,549.94 and 4,991.08 is: 6,889.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.26 : 10,549.94 = 4,991.08 : x
  2. Step 2: Convert to fraction form
    7,643.26/10,549.94 = 4,991.08/x
  3. Step 3: Cross multiply
    7,643.26x = 10,549.94 × 4,991.08
  4. Step 4: Simplify right side
    7,643.26x = 52,655,594.54
  5. Step 5: Solve for x
    x = 52,655,594.54/7,643.26
  6. Step 6: Final answer
    x = 6,889.15

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.