Home / 6,311.70-8,710.02-3,517.20

Finding the Fourth Proportional to 6,311.70, 8,710.02 and 3,517.20

Calculator

Solution

The fourth proportional to 6,311.70, 8,710.02 and 3,517.20 is: 4,853.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.70 : 8,710.02 = 3,517.20 : x
  2. Step 2: Convert to fraction form
    6,311.70/8,710.02 = 3,517.20/x
  3. Step 3: Cross multiply
    6,311.70x = 8,710.02 × 3,517.20
  4. Step 4: Simplify right side
    6,311.70x = 30,634,882.34
  5. Step 5: Solve for x
    x = 30,634,882.34/6,311.70
  6. Step 6: Final answer
    x = 4,853.67

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.