Home / 5,622.75-8,434.13-2,160

Finding the Fourth Proportional to 5,622.75, 8,434.13 and 2,160

Calculator

Solution

The fourth proportional to 5,622.75, 8,434.13 and 2,160 is: 3,240

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.75 : 8,434.13 = 2,160 : x
  2. Step 2: Convert to fraction form
    5,622.75/8,434.13 = 2,160/x
  3. Step 3: Cross multiply
    5,622.75x = 8,434.13 × 2,160
  4. Step 4: Simplify right side
    5,622.75x = 18,217,710
  5. Step 5: Solve for x
    x = 18,217,710/5,622.75
  6. Step 6: Final answer
    x = 3,240

Related Problems

Find fourth proportional to 2,811.38, 4,217.06 and 1,080
Half scale
Find fourth proportional to 11,245.50, 16,868.25 and 4,320
Double scale
Find fourth proportional to 5,623.75, 8,435.63 and 2,161
Similar ratio
Find fourth proportional to 8,434.13, 12,651.19 and 3,240
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.