Home / 5,675.40-8,509.59-2,386.80

Finding the Fourth Proportional to 5,675.40, 8,509.59 and 2,386.80

Calculator

Solution

The fourth proportional to 5,675.40, 8,509.59 and 2,386.80 is: 3,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.40 : 8,509.59 = 2,386.80 : x
  2. Step 2: Convert to fraction form
    5,675.40/8,509.59 = 2,386.80/x
  3. Step 3: Cross multiply
    5,675.40x = 8,509.59 × 2,386.80
  4. Step 4: Simplify right side
    5,675.40x = 20,310,689.41
  5. Step 5: Solve for x
    x = 20,310,689.41/5,675.40
  6. Step 6: Final answer
    x = 3,578.72

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.