Home / 5,658.30-7,808.54-3,419.78

Finding the Fourth Proportional to 5,658.30, 7,808.54 and 3,419.78

Calculator

Solution

The fourth proportional to 5,658.30, 7,808.54 and 3,419.78 is: 4,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.30 : 7,808.54 = 3,419.78 : x
  2. Step 2: Convert to fraction form
    5,658.30/7,808.54 = 3,419.78/x
  3. Step 3: Cross multiply
    5,658.30x = 7,808.54 × 3,419.78
  4. Step 4: Simplify right side
    5,658.30x = 26,703,432.78
  5. Step 5: Solve for x
    x = 26,703,432.78/5,658.30
  6. Step 6: Final answer
    x = 4,719.34

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.