Home / 5,851.71-8,780.30-3,388.60

Finding the Fourth Proportional to 5,851.71, 8,780.30 and 3,388.60

Calculator

Solution

The fourth proportional to 5,851.71, 8,780.30 and 3,388.60 is: 5,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.71 : 8,780.30 = 3,388.60 : x
  2. Step 2: Convert to fraction form
    5,851.71/8,780.30 = 3,388.60/x
  3. Step 3: Cross multiply
    5,851.71x = 8,780.30 × 3,388.60
  4. Step 4: Simplify right side
    5,851.71x = 29,752,931.32
  5. Step 5: Solve for x
    x = 29,752,931.32/5,851.71
  6. Step 6: Final answer
    x = 5,084.48

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.