Home / 6,530.55-9,787.80-3,015.68

Finding the Fourth Proportional to 6,530.55, 9,787.80 and 3,015.68

Calculator

Solution

The fourth proportional to 6,530.55, 9,787.80 and 3,015.68 is: 4,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.55 : 9,787.80 = 3,015.68 : x
  2. Step 2: Convert to fraction form
    6,530.55/9,787.80 = 3,015.68/x
  3. Step 3: Cross multiply
    6,530.55x = 9,787.80 × 3,015.68
  4. Step 4: Simplify right side
    6,530.55x = 29,516,872.70
  5. Step 5: Solve for x
    x = 29,516,872.70/6,530.55
  6. Step 6: Final answer
    x = 4,519.81

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.