Home / 8,915.21-12,303.69-4,936.69

Finding the Fourth Proportional to 8,915.21, 12,303.69 and 4,936.69

Calculator

Solution

The fourth proportional to 8,915.21, 12,303.69 and 4,936.69 is: 6,813.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.21 : 12,303.69 = 4,936.69 : x
  2. Step 2: Convert to fraction form
    8,915.21/12,303.69 = 4,936.69/x
  3. Step 3: Cross multiply
    8,915.21x = 12,303.69 × 4,936.69
  4. Step 4: Simplify right side
    8,915.21x = 60,739,500.25
  5. Step 5: Solve for x
    x = 60,739,500.25/8,915.21
  6. Step 6: Final answer
    x = 6,813.02

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.