Home / 8,565.12-12,847.65-2,721.57

Finding the Fourth Proportional to 8,565.12, 12,847.65 and 2,721.57

Calculator

Solution

The fourth proportional to 8,565.12, 12,847.65 and 2,721.57 is: 4,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.12 : 12,847.65 = 2,721.57 : x
  2. Step 2: Convert to fraction form
    8,565.12/12,847.65 = 2,721.57/x
  3. Step 3: Cross multiply
    8,565.12x = 12,847.65 × 2,721.57
  4. Step 4: Simplify right side
    8,565.12x = 34,965,778.81
  5. Step 5: Solve for x
    x = 34,965,778.81/8,565.12
  6. Step 6: Final answer
    x = 4,082.35

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.