Home / 5,247.25-7,872.09-1,784.50

Finding the Fourth Proportional to 5,247.25, 7,872.09 and 1,784.50

Calculator

Solution

The fourth proportional to 5,247.25, 7,872.09 and 1,784.50 is: 2,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.25 : 7,872.09 = 1,784.50 : x
  2. Step 2: Convert to fraction form
    5,247.25/7,872.09 = 1,784.50/x
  3. Step 3: Cross multiply
    5,247.25x = 7,872.09 × 1,784.50
  4. Step 4: Simplify right side
    5,247.25x = 14,047,744.61
  5. Step 5: Solve for x
    x = 14,047,744.61/5,247.25
  6. Step 6: Final answer
    x = 2,677.16

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.