Home / 5,312.85-8,019.20-5,312.85

Finding the Fourth Proportional to 5,312.85, 8,019.20 and 5,312.85

Calculator

Solution

The fourth proportional to 5,312.85, 8,019.20 and 5,312.85 is: 8,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.85 : 8,019.20 = 5,312.85 : x
  2. Step 2: Convert to fraction form
    5,312.85/8,019.20 = 5,312.85/x
  3. Step 3: Cross multiply
    5,312.85x = 8,019.20 × 5,312.85
  4. Step 4: Simplify right side
    5,312.85x = 42,604,806.72
  5. Step 5: Solve for x
    x = 42,604,806.72/5,312.85
  6. Step 6: Final answer
    x = 8,019.20

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.