Home / 5,488.66-8,230.95-3,405.58

Finding the Fourth Proportional to 5,488.66, 8,230.95 and 3,405.58

Calculator

Solution

The fourth proportional to 5,488.66, 8,230.95 and 3,405.58 is: 5,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.66 : 8,230.95 = 3,405.58 : x
  2. Step 2: Convert to fraction form
    5,488.66/8,230.95 = 3,405.58/x
  3. Step 3: Cross multiply
    5,488.66x = 8,230.95 × 3,405.58
  4. Step 4: Simplify right side
    5,488.66x = 28,031,158.70
  5. Step 5: Solve for x
    x = 28,031,158.70/5,488.66
  6. Step 6: Final answer
    x = 5,107.10

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.