Home / 9,391.76-12,960.62-5,200

Finding the Fourth Proportional to 9,391.76, 12,960.62 and 5,200

Calculator

Solution

The fourth proportional to 9,391.76, 12,960.62 and 5,200 is: 7,176.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,391.76 : 12,960.62 = 5,200 : x
  2. Step 2: Convert to fraction form
    9,391.76/12,960.62 = 5,200/x
  3. Step 3: Cross multiply
    9,391.76x = 12,960.62 × 5,200
  4. Step 4: Simplify right side
    9,391.76x = 67,395,224
  5. Step 5: Solve for x
    x = 67,395,224/9,391.76
  6. Step 6: Final answer
    x = 7,176.00

Related Problems

Find fourth proportional to 4,695.88, 6,480.31 and 2,600
Half scale
Find fourth proportional to 18,783.52, 25,921.24 and 10,400
Double scale
Find fourth proportional to 9,392.76, 12,962 and 5,201
Similar ratio
Find fourth proportional to 14,087.64, 19,440.93 and 7,800
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.