Home / 9,092-13,638-3,620

Finding the Fourth Proportional to 9,092, 13,638 and 3,620

Calculator

Solution

The fourth proportional to 9,092, 13,638 and 3,620 is: 5,430

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,092 : 13,638 = 3,620 : x
  2. Step 2: Convert to fraction form
    9,092/13,638 = 3,620/x
  3. Step 3: Cross multiply
    9,092x = 13,638 × 3,620
  4. Step 4: Simplify right side
    9,092x = 49,369,560
  5. Step 5: Solve for x
    x = 49,369,560/9,092
  6. Step 6: Final answer
    x = 5,430

Related Problems

Find fourth proportional to 4,546, 6,819 and 1,810
Half scale
Find fourth proportional to 18,184, 27,276 and 7,240
Double scale
Find fourth proportional to 9,093, 13,639.50 and 3,621
Similar ratio
Find fourth proportional to 13,638, 20,457 and 5,430
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.