Home / 4,678.48-6,456.89-2,910.31

Finding the Fourth Proportional to 4,678.48, 6,456.89 and 2,910.31

Calculator

Solution

The fourth proportional to 4,678.48, 6,456.89 and 2,910.31 is: 4,016.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.48 : 6,456.89 = 2,910.31 : x
  2. Step 2: Convert to fraction form
    4,678.48/6,456.89 = 2,910.31/x
  3. Step 3: Cross multiply
    4,678.48x = 6,456.89 × 2,910.31
  4. Step 4: Simplify right side
    4,678.48x = 18,791,551.54
  5. Step 5: Solve for x
    x = 18,791,551.54/4,678.48
  6. Step 6: Final answer
    x = 4,016.59

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.