Home / 4,778.28-7,160.94-2,471.40

Finding the Fourth Proportional to 4,778.28, 7,160.94 and 2,471.40

Calculator

Solution

The fourth proportional to 4,778.28, 7,160.94 and 2,471.40 is: 3,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.28 : 7,160.94 = 2,471.40 : x
  2. Step 2: Convert to fraction form
    4,778.28/7,160.94 = 2,471.40/x
  3. Step 3: Cross multiply
    4,778.28x = 7,160.94 × 2,471.40
  4. Step 4: Simplify right side
    4,778.28x = 17,697,547.12
  5. Step 5: Solve for x
    x = 17,697,547.12/4,778.28
  6. Step 6: Final answer
    x = 3,703.75

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.