Home / 7,207.20-10,810.80-4,451.40

Finding the Fourth Proportional to 7,207.20, 10,810.80 and 4,451.40

Calculator

Solution

The fourth proportional to 7,207.20, 10,810.80 and 4,451.40 is: 6,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.20 : 10,810.80 = 4,451.40 : x
  2. Step 2: Convert to fraction form
    7,207.20/10,810.80 = 4,451.40/x
  3. Step 3: Cross multiply
    7,207.20x = 10,810.80 × 4,451.40
  4. Step 4: Simplify right side
    7,207.20x = 48,123,195.12
  5. Step 5: Solve for x
    x = 48,123,195.12/7,207.20
  6. Step 6: Final answer
    x = 6,677.10

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.