Home / 7,065.04-9,749.76-3,921.28

Finding the Fourth Proportional to 7,065.04, 9,749.76 and 3,921.28

Calculator

Solution

The fourth proportional to 7,065.04, 9,749.76 and 3,921.28 is: 5,411.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.04 : 9,749.76 = 3,921.28 : x
  2. Step 2: Convert to fraction form
    7,065.04/9,749.76 = 3,921.28/x
  3. Step 3: Cross multiply
    7,065.04x = 9,749.76 × 3,921.28
  4. Step 4: Simplify right side
    7,065.04x = 38,231,538.89
  5. Step 5: Solve for x
    x = 38,231,538.89/7,065.04
  6. Step 6: Final answer
    x = 5,411.37

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.