Home / 6,898.24-9,518.79-3,913.30

Finding the Fourth Proportional to 6,898.24, 9,518.79 and 3,913.30

Calculator

Solution

The fourth proportional to 6,898.24, 9,518.79 and 3,913.30 is: 5,399.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.24 : 9,518.79 = 3,913.30 : x
  2. Step 2: Convert to fraction form
    6,898.24/9,518.79 = 3,913.30/x
  3. Step 3: Cross multiply
    6,898.24x = 9,518.79 × 3,913.30
  4. Step 4: Simplify right side
    6,898.24x = 37,249,880.91
  5. Step 5: Solve for x
    x = 37,249,880.91/6,898.24
  6. Step 6: Final answer
    x = 5,399.91

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.