Home / 7,062.48-9,746.28-3,918.72

Finding the Fourth Proportional to 7,062.48, 9,746.28 and 3,918.72

Calculator

Solution

The fourth proportional to 7,062.48, 9,746.28 and 3,918.72 is: 5,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.48 : 9,746.28 = 3,918.72 : x
  2. Step 2: Convert to fraction form
    7,062.48/9,746.28 = 3,918.72/x
  3. Step 3: Cross multiply
    7,062.48x = 9,746.28 × 3,918.72
  4. Step 4: Simplify right side
    7,062.48x = 38,192,942.36
  5. Step 5: Solve for x
    x = 38,192,942.36/7,062.48
  6. Step 6: Final answer
    x = 5,407.87

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.