Home / 8,620.72-12,931.20-2,464.72

Finding the Fourth Proportional to 8,620.72, 12,931.20 and 2,464.72

Calculator

Solution

The fourth proportional to 8,620.72, 12,931.20 and 2,464.72 is: 3,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620.72 : 12,931.20 = 2,464.72 : x
  2. Step 2: Convert to fraction form
    8,620.72/12,931.20 = 2,464.72/x
  3. Step 3: Cross multiply
    8,620.72x = 12,931.20 × 2,464.72
  4. Step 4: Simplify right side
    8,620.72x = 31,871,787.26
  5. Step 5: Solve for x
    x = 31,871,787.26/8,620.72
  6. Step 6: Final answer
    x = 3,697.11

Related Problems

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.