Home / 4,864-9,120

Finding the Third Proportional to 4,864 and 9,120

Calculator

Solution

The third proportional to 4,864 and 9,120 is: 17,100

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,864 : 9,120 = 9,120 : x
  2. Step 2: Convert to fraction form
    4,864/9,120 = 9,120/x
  3. Step 3: Cross multiply
    4,864x = 9,120 × 9,120
  4. Step 4: Simplify right side
    4,864x = 83,174,400
  5. Step 5: Solve for x
    x = 83,174,400/4,864
  6. Step 6: Final answer
    x = 17,100

Related Problems

Find third proportional to 2,432 and 4,560
Half scale
Find third proportional to 9,728 and 18,240
Double scale
Find third proportional to 4,866 and 9,124
Similar ratio
Find third proportional to 7,296 and 13,680
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.