Home / 6,689-10,033.50-2,072

Finding the Fourth Proportional to 6,689, 10,033.50 and 2,072

Calculator

Solution

The fourth proportional to 6,689, 10,033.50 and 2,072 is: 3,108

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689 : 10,033.50 = 2,072 : x
  2. Step 2: Convert to fraction form
    6,689/10,033.50 = 2,072/x
  3. Step 3: Cross multiply
    6,689x = 10,033.50 × 2,072
  4. Step 4: Simplify right side
    6,689x = 20,789,412
  5. Step 5: Solve for x
    x = 20,789,412/6,689
  6. Step 6: Final answer
    x = 3,108

Related Problems

Find fourth proportional to 3,344.50, 5,016.75 and 1,036
Half scale
Find fourth proportional to 13,378, 20,067 and 4,144
Double scale
Find fourth proportional to 6,690, 10,035 and 2,073
Similar ratio
Find fourth proportional to 10,033.50, 15,050.25 and 3,108
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.