Home / 4,631.34-6,388.98-3,139.73

Finding the Fourth Proportional to 4,631.34, 6,388.98 and 3,139.73

Calculator

Solution

The fourth proportional to 4,631.34, 6,388.98 and 3,139.73 is: 4,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.34 : 6,388.98 = 3,139.73 : x
  2. Step 2: Convert to fraction form
    4,631.34/6,388.98 = 3,139.73/x
  3. Step 3: Cross multiply
    4,631.34x = 6,388.98 × 3,139.73
  4. Step 4: Simplify right side
    4,631.34x = 20,059,652.42
  5. Step 5: Solve for x
    x = 20,059,652.42/4,631.34
  6. Step 6: Final answer
    x = 4,331.28

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.