Home / 7,188-10,782-3,084

Finding the Fourth Proportional to 7,188, 10,782 and 3,084

Calculator

Solution

The fourth proportional to 7,188, 10,782 and 3,084 is: 4,626

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188 : 10,782 = 3,084 : x
  2. Step 2: Convert to fraction form
    7,188/10,782 = 3,084/x
  3. Step 3: Cross multiply
    7,188x = 10,782 × 3,084
  4. Step 4: Simplify right side
    7,188x = 33,251,688
  5. Step 5: Solve for x
    x = 33,251,688/7,188
  6. Step 6: Final answer
    x = 4,626

Related Problems

Find fourth proportional to 3,594, 5,391 and 1,542
Half scale
Find fourth proportional to 14,376, 21,564 and 6,168
Double scale
Find fourth proportional to 7,189, 10,783.50 and 3,085
Similar ratio
Find fourth proportional to 10,782, 16,173 and 4,626
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.