Home / 6,604-9,906-2,500

Finding the Fourth Proportional to 6,604, 9,906 and 2,500

Calculator

Solution

The fourth proportional to 6,604, 9,906 and 2,500 is: 3,750

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604 : 9,906 = 2,500 : x
  2. Step 2: Convert to fraction form
    6,604/9,906 = 2,500/x
  3. Step 3: Cross multiply
    6,604x = 9,906 × 2,500
  4. Step 4: Simplify right side
    6,604x = 24,765,000
  5. Step 5: Solve for x
    x = 24,765,000/6,604
  6. Step 6: Final answer
    x = 3,750

Related Problems

Find fourth proportional to 3,302, 4,953 and 1,250
Half scale
Find fourth proportional to 13,208, 19,812 and 5,000
Double scale
Find fourth proportional to 6,605, 9,907.50 and 2,501
Similar ratio
Find fourth proportional to 9,906, 14,859 and 3,750
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.