Home / 6,381.84-8,807.15-3,864.42

Finding the Fourth Proportional to 6,381.84, 8,807.15 and 3,864.42

Calculator

Solution

The fourth proportional to 6,381.84, 8,807.15 and 3,864.42 is: 5,333.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.84 : 8,807.15 = 3,864.42 : x
  2. Step 2: Convert to fraction form
    6,381.84/8,807.15 = 3,864.42/x
  3. Step 3: Cross multiply
    6,381.84x = 8,807.15 × 3,864.42
  4. Step 4: Simplify right side
    6,381.84x = 34,034,507.28
  5. Step 5: Solve for x
    x = 34,034,507.28/6,381.84
  6. Step 6: Final answer
    x = 5,333.02

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.