Home / 4,368-7,856

Finding the Third Proportional to 4,368 and 7,856

Calculator

Solution

The third proportional to 4,368 and 7,856 is: 14,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,368 : 7,856 = 7,856 : x
  2. Step 2: Convert to fraction form
    4,368/7,856 = 7,856/x
  3. Step 3: Cross multiply
    4,368x = 7,856 × 7,856
  4. Step 4: Simplify right side
    4,368x = 61,716,736
  5. Step 5: Solve for x
    x = 61,716,736/4,368
  6. Step 6: Final answer
    x = 14,129.29

Related Problems

Find third proportional to 2,184 and 3,928
Half scale
Find third proportional to 8,736 and 15,712
Double scale
Find third proportional to 4,370 and 7,860
Similar ratio
Find third proportional to 6,552 and 11,784
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.