Home / 10,609.80-15,909.90-4,763.40

Finding the Fourth Proportional to 10,609.80, 15,909.90 and 4,763.40

Calculator

Solution

The fourth proportional to 10,609.80, 15,909.90 and 4,763.40 is: 7,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609.80 : 15,909.90 = 4,763.40 : x
  2. Step 2: Convert to fraction form
    10,609.80/15,909.90 = 4,763.40/x
  3. Step 3: Cross multiply
    10,609.80x = 15,909.90 × 4,763.40
  4. Step 4: Simplify right side
    10,609.80x = 75,785,217.66
  5. Step 5: Solve for x
    x = 75,785,217.66/10,609.80
  6. Step 6: Final answer
    x = 7,142.94

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.