Home / 7,163.56-9,886.04-4,178.92

Finding the Fourth Proportional to 7,163.56, 9,886.04 and 4,178.92

Calculator

Solution

The fourth proportional to 7,163.56, 9,886.04 and 4,178.92 is: 5,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.56 : 9,886.04 = 4,178.92 : x
  2. Step 2: Convert to fraction form
    7,163.56/9,886.04 = 4,178.92/x
  3. Step 3: Cross multiply
    7,163.56x = 9,886.04 × 4,178.92
  4. Step 4: Simplify right side
    7,163.56x = 41,312,970.28
  5. Step 5: Solve for x
    x = 41,312,970.28/7,163.56
  6. Step 6: Final answer
    x = 5,767.10

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.