Home / 7,661.28-11,484.99-5,322.39

Finding the Fourth Proportional to 7,661.28, 11,484.99 and 5,322.39

Calculator

Solution

The fourth proportional to 7,661.28, 11,484.99 and 5,322.39 is: 7,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.28 : 11,484.99 = 5,322.39 : x
  2. Step 2: Convert to fraction form
    7,661.28/11,484.99 = 5,322.39/x
  3. Step 3: Cross multiply
    7,661.28x = 11,484.99 × 5,322.39
  4. Step 4: Simplify right side
    7,661.28x = 61,127,595.93
  5. Step 5: Solve for x
    x = 61,127,595.93/7,661.28
  6. Step 6: Final answer
    x = 7,978.77

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.