Home / 7,000-9,660-3,856.26

Finding the Fourth Proportional to 7,000, 9,660 and 3,856.26

Calculator

Solution

The fourth proportional to 7,000, 9,660 and 3,856.26 is: 5,321.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000 : 9,660 = 3,856.26 : x
  2. Step 2: Convert to fraction form
    7,000/9,660 = 3,856.26/x
  3. Step 3: Cross multiply
    7,000x = 9,660 × 3,856.26
  4. Step 4: Simplify right side
    7,000x = 37,251,423.30
  5. Step 5: Solve for x
    x = 37,251,423.30/7,000
  6. Step 6: Final answer
    x = 5,321.63

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.