Home / 5,102.12-7,041.19-2,863.88

Finding the Fourth Proportional to 5,102.12, 7,041.19 and 2,863.88

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Solution

The fourth proportional to 5,102.12, 7,041.19 and 2,863.88 is: 3,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.12 : 7,041.19 = 2,863.88 : x
  2. Step 2: Convert to fraction form
    5,102.12/7,041.19 = 2,863.88/x
  3. Step 3: Cross multiply
    5,102.12x = 7,041.19 × 2,863.88
  4. Step 4: Simplify right side
    5,102.12x = 20,165,080.85
  5. Step 5: Solve for x
    x = 20,165,080.85/5,102.12
  6. Step 6: Final answer
    x = 3,952.30

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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.