Home / 7,771.21-10,720.59-5,254.19

Finding the Fourth Proportional to 7,771.21, 10,720.59 and 5,254.19

Calculator

Solution

The fourth proportional to 7,771.21, 10,720.59 and 5,254.19 is: 7,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.21 : 10,720.59 = 5,254.19 : x
  2. Step 2: Convert to fraction form
    7,771.21/10,720.59 = 5,254.19/x
  3. Step 3: Cross multiply
    7,771.21x = 10,720.59 × 5,254.19
  4. Step 4: Simplify right side
    7,771.21x = 56,327,983.67
  5. Step 5: Solve for x
    x = 56,327,983.67/7,771.21
  6. Step 6: Final answer
    x = 7,248.29

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.