Home / 5,101.94-7,040.72-2,863.87

Finding the Fourth Proportional to 5,101.94, 7,040.72 and 2,863.87

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Solution

The fourth proportional to 5,101.94, 7,040.72 and 2,863.87 is: 3,952.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.94 : 7,040.72 = 2,863.87 : x
  2. Step 2: Convert to fraction form
    5,101.94/7,040.72 = 2,863.87/x
  3. Step 3: Cross multiply
    5,101.94x = 7,040.72 × 2,863.87
  4. Step 4: Simplify right side
    5,101.94x = 20,163,706.79
  5. Step 5: Solve for x
    x = 20,163,706.79/5,101.94
  6. Step 6: Final answer
    x = 3,952.16

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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.