Home / 6,876.88-10,315.32-2,770

Finding the Fourth Proportional to 6,876.88, 10,315.32 and 2,770

Calculator

Solution

The fourth proportional to 6,876.88, 10,315.32 and 2,770 is: 4,155

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.88 : 10,315.32 = 2,770 : x
  2. Step 2: Convert to fraction form
    6,876.88/10,315.32 = 2,770/x
  3. Step 3: Cross multiply
    6,876.88x = 10,315.32 × 2,770
  4. Step 4: Simplify right side
    6,876.88x = 28,573,436.40
  5. Step 5: Solve for x
    x = 28,573,436.40/6,876.88
  6. Step 6: Final answer
    x = 4,155

Related Problems

Find fourth proportional to 3,438.44, 5,157.66 and 1,385
Half scale
Find fourth proportional to 13,753.76, 20,630.64 and 5,540
Double scale
Find fourth proportional to 6,877.88, 10,316.82 and 2,771
Similar ratio
Find fourth proportional to 10,315.32, 15,472.98 and 4,155
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.