Home / 4,936-7,404-1,288

Finding the Fourth Proportional to 4,936, 7,404 and 1,288

Calculator

Solution

The fourth proportional to 4,936, 7,404 and 1,288 is: 1,932

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936 : 7,404 = 1,288 : x
  2. Step 2: Convert to fraction form
    4,936/7,404 = 1,288/x
  3. Step 3: Cross multiply
    4,936x = 7,404 × 1,288
  4. Step 4: Simplify right side
    4,936x = 9,536,352
  5. Step 5: Solve for x
    x = 9,536,352/4,936
  6. Step 6: Final answer
    x = 1,932

Related Problems

Find fourth proportional to 2,468, 3,702 and 644
Half scale
Find fourth proportional to 9,872, 14,808 and 2,576
Double scale
Find fourth proportional to 4,937, 7,405.50 and 1,289
Similar ratio
Find fourth proportional to 7,404, 11,106 and 1,932
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.