Home / 5,101.84-7,040.66-2,863.88

Finding the Fourth Proportional to 5,101.84, 7,040.66 and 2,863.88

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Solution

The fourth proportional to 5,101.84, 7,040.66 and 2,863.88 is: 3,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.84 : 7,040.66 = 2,863.88 : x
  2. Step 2: Convert to fraction form
    5,101.84/7,040.66 = 2,863.88/x
  3. Step 3: Cross multiply
    5,101.84x = 7,040.66 × 2,863.88
  4. Step 4: Simplify right side
    5,101.84x = 20,163,614.12
  5. Step 5: Solve for x
    x = 20,163,614.12/5,101.84
  6. Step 6: Final answer
    x = 3,952.23

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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.