Home / 7,964-11,946-3,100

Finding the Fourth Proportional to 7,964, 11,946 and 3,100

Calculator

Solution

The fourth proportional to 7,964, 11,946 and 3,100 is: 4,650

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964 : 11,946 = 3,100 : x
  2. Step 2: Convert to fraction form
    7,964/11,946 = 3,100/x
  3. Step 3: Cross multiply
    7,964x = 11,946 × 3,100
  4. Step 4: Simplify right side
    7,964x = 37,032,600
  5. Step 5: Solve for x
    x = 37,032,600/7,964
  6. Step 6: Final answer
    x = 4,650

Related Problems

Find fourth proportional to 3,982, 5,973 and 1,550
Half scale
Find fourth proportional to 15,928, 23,892 and 6,200
Double scale
Find fourth proportional to 7,965, 11,947.50 and 3,101
Similar ratio
Find fourth proportional to 11,946, 17,919 and 4,650
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.