Home / 8,905.68-13,356-2,664

Finding the Fourth Proportional to 8,905.68, 13,356 and 2,664

Calculator

Solution

The fourth proportional to 8,905.68, 13,356 and 2,664 is: 3,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.68 : 13,356 = 2,664 : x
  2. Step 2: Convert to fraction form
    8,905.68/13,356 = 2,664/x
  3. Step 3: Cross multiply
    8,905.68x = 13,356 × 2,664
  4. Step 4: Simplify right side
    8,905.68x = 35,580,384
  5. Step 5: Solve for x
    x = 35,580,384/8,905.68
  6. Step 6: Final answer
    x = 3,995.25

Related Problems

Find fourth proportional to 4,452.84, 6,678 and 1,332
Half scale
Find fourth proportional to 17,811.36, 26,712 and 5,328
Double scale
Find fourth proportional to 8,906.68, 13,357.50 and 2,665
Similar ratio
Find fourth proportional to 13,358.52, 20,034 and 3,996
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.