Home / 7,628.92-11,437.98-2,945.02

Finding the Fourth Proportional to 7,628.92, 11,437.98 and 2,945.02

Calculator

Solution

The fourth proportional to 7,628.92, 11,437.98 and 2,945.02 is: 4,415.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.92 : 11,437.98 = 2,945.02 : x
  2. Step 2: Convert to fraction form
    7,628.92/11,437.98 = 2,945.02/x
  3. Step 3: Cross multiply
    7,628.92x = 11,437.98 × 2,945.02
  4. Step 4: Simplify right side
    7,628.92x = 33,685,079.86
  5. Step 5: Solve for x
    x = 33,685,079.86/7,628.92
  6. Step 6: Final answer
    x = 4,415.45

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.