Home / 8,740.40-13,110.60-2,500.40

Finding the Fourth Proportional to 8,740.40, 13,110.60 and 2,500.40

Calculator

Solution

The fourth proportional to 8,740.40, 13,110.60 and 2,500.40 is: 3,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.40 : 13,110.60 = 2,500.40 : x
  2. Step 2: Convert to fraction form
    8,740.40/13,110.60 = 2,500.40/x
  3. Step 3: Cross multiply
    8,740.40x = 13,110.60 × 2,500.40
  4. Step 4: Simplify right side
    8,740.40x = 32,781,744.24
  5. Step 5: Solve for x
    x = 32,781,744.24/8,740.40
  6. Step 6: Final answer
    x = 3,750.60

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.