Home / 4,249.81-5,863.09-3,133.40

Finding the Fourth Proportional to 4,249.81, 5,863.09 and 3,133.40

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Solution

The fourth proportional to 4,249.81, 5,863.09 and 3,133.40 is: 4,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.81 : 5,863.09 = 3,133.40 : x
  2. Step 2: Convert to fraction form
    4,249.81/5,863.09 = 3,133.40/x
  3. Step 3: Cross multiply
    4,249.81x = 5,863.09 × 3,133.40
  4. Step 4: Simplify right side
    4,249.81x = 18,371,369.06
  5. Step 5: Solve for x
    x = 18,371,369.06/4,249.81
  6. Step 6: Final answer
    x = 4,322.87

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1.5x scale

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.