Home / 7,021.71-9,736.13-6,787.53

Finding the Fourth Proportional to 7,021.71, 9,736.13 and 6,787.53

Calculator

Solution

The fourth proportional to 7,021.71, 9,736.13 and 6,787.53 is: 9,411.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.71 : 9,736.13 = 6,787.53 : x
  2. Step 2: Convert to fraction form
    7,021.71/9,736.13 = 6,787.53/x
  3. Step 3: Cross multiply
    7,021.71x = 9,736.13 × 6,787.53
  4. Step 4: Simplify right side
    7,021.71x = 66,084,274.46
  5. Step 5: Solve for x
    x = 66,084,274.46/7,021.71
  6. Step 6: Final answer
    x = 9,411.42

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.