Home / 7,808.58-11,734.74-3,915.72

Finding the Fourth Proportional to 7,808.58, 11,734.74 and 3,915.72

Calculator

Solution

The fourth proportional to 7,808.58, 11,734.74 and 3,915.72 is: 5,884.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.58 : 11,734.74 = 3,915.72 : x
  2. Step 2: Convert to fraction form
    7,808.58/11,734.74 = 3,915.72/x
  3. Step 3: Cross multiply
    7,808.58x = 11,734.74 × 3,915.72
  4. Step 4: Simplify right side
    7,808.58x = 45,949,956.11
  5. Step 5: Solve for x
    x = 45,949,956.11/7,808.58
  6. Step 6: Final answer
    x = 5,884.55

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.