Home / 7,688-11,532-2,216

Finding the Fourth Proportional to 7,688, 11,532 and 2,216

Calculator

Solution

The fourth proportional to 7,688, 11,532 and 2,216 is: 3,324

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688 : 11,532 = 2,216 : x
  2. Step 2: Convert to fraction form
    7,688/11,532 = 2,216/x
  3. Step 3: Cross multiply
    7,688x = 11,532 × 2,216
  4. Step 4: Simplify right side
    7,688x = 25,554,912
  5. Step 5: Solve for x
    x = 25,554,912/7,688
  6. Step 6: Final answer
    x = 3,324

Related Problems

Find fourth proportional to 3,844, 5,766 and 1,108
Half scale
Find fourth proportional to 15,376, 23,064 and 4,432
Double scale
Find fourth proportional to 7,689, 11,533.50 and 2,217
Similar ratio
Find fourth proportional to 11,532, 17,298 and 3,324
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.