Home / 4,921.50-6,838.82-4,870.92

Finding the Fourth Proportional to 4,921.50, 6,838.82 and 4,870.92

Calculator

Solution

The fourth proportional to 4,921.50, 6,838.82 and 4,870.92 is: 6,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.50 : 6,838.82 = 4,870.92 : x
  2. Step 2: Convert to fraction form
    4,921.50/6,838.82 = 4,870.92/x
  3. Step 3: Cross multiply
    4,921.50x = 6,838.82 × 4,870.92
  4. Step 4: Simplify right side
    4,921.50x = 33,311,345.11
  5. Step 5: Solve for x
    x = 33,311,345.11/4,921.50
  6. Step 6: Final answer
    x = 6,768.54

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.