Home / 8,759.13-13,139.30-4,319.11

Finding the Fourth Proportional to 8,759.13, 13,139.30 and 4,319.11

Calculator

Solution

The fourth proportional to 8,759.13, 13,139.30 and 4,319.11 is: 6,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.13 : 13,139.30 = 4,319.11 : x
  2. Step 2: Convert to fraction form
    8,759.13/13,139.30 = 4,319.11/x
  3. Step 3: Cross multiply
    8,759.13x = 13,139.30 × 4,319.11
  4. Step 4: Simplify right side
    8,759.13x = 56,750,082.02
  5. Step 5: Solve for x
    x = 56,750,082.02/8,759.13
  6. Step 6: Final answer
    x = 6,478.96

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.