Home / 4,762-7,143-1,684

Finding the Fourth Proportional to 4,762, 7,143 and 1,684

Calculator

Solution

The fourth proportional to 4,762, 7,143 and 1,684 is: 2,526

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,762 : 7,143 = 1,684 : x
  2. Step 2: Convert to fraction form
    4,762/7,143 = 1,684/x
  3. Step 3: Cross multiply
    4,762x = 7,143 × 1,684
  4. Step 4: Simplify right side
    4,762x = 12,028,812
  5. Step 5: Solve for x
    x = 12,028,812/4,762
  6. Step 6: Final answer
    x = 2,526

Related Problems

Find fourth proportional to 2,381, 3,571.50 and 842
Half scale
Find fourth proportional to 9,524, 14,286 and 3,368
Double scale
Find fourth proportional to 4,763, 7,144.50 and 1,685
Similar ratio
Find fourth proportional to 7,143, 10,714.50 and 2,526
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.