Home / 8,237.69-11,365.13-5,719.13

Finding the Fourth Proportional to 8,237.69, 11,365.13 and 5,719.13

Calculator

Solution

The fourth proportional to 8,237.69, 11,365.13 and 5,719.13 is: 7,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.69 : 11,365.13 = 5,719.13 : x
  2. Step 2: Convert to fraction form
    8,237.69/11,365.13 = 5,719.13/x
  3. Step 3: Cross multiply
    8,237.69x = 11,365.13 × 5,719.13
  4. Step 4: Simplify right side
    8,237.69x = 64,998,655.94
  5. Step 5: Solve for x
    x = 64,998,655.94/8,237.69
  6. Step 6: Final answer
    x = 7,890.40

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.