Home / 5,405.32-8,122.56-3,068.88

Finding the Fourth Proportional to 5,405.32, 8,122.56 and 3,068.88

Calculator

Solution

The fourth proportional to 5,405.32, 8,122.56 and 3,068.88 is: 4,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.32 : 8,122.56 = 3,068.88 : x
  2. Step 2: Convert to fraction form
    5,405.32/8,122.56 = 3,068.88/x
  3. Step 3: Cross multiply
    5,405.32x = 8,122.56 × 3,068.88
  4. Step 4: Simplify right side
    5,405.32x = 24,927,161.93
  5. Step 5: Solve for x
    x = 24,927,161.93/5,405.32
  6. Step 6: Final answer
    x = 4,611.60

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.