Home / 8,900.69-12,283.92-5,672.84

Finding the Fourth Proportional to 8,900.69, 12,283.92 and 5,672.84

Calculator

Solution

The fourth proportional to 8,900.69, 12,283.92 and 5,672.84 is: 7,829.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.69 : 12,283.92 = 5,672.84 : x
  2. Step 2: Convert to fraction form
    8,900.69/12,283.92 = 5,672.84/x
  3. Step 3: Cross multiply
    8,900.69x = 12,283.92 × 5,672.84
  4. Step 4: Simplify right side
    8,900.69x = 69,684,651.31
  5. Step 5: Solve for x
    x = 69,684,651.31/8,900.69
  6. Step 6: Final answer
    x = 7,829.13

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.