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Finding the Fourth Proportional to 4,841.78, 7,256.19 and 2,763.14

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Solution

The fourth proportional to 4,841.78, 7,256.19 and 2,763.14 is: 4,141.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,841.78 : 7,256.19 = 2,763.14 : x
  2. Step 2: Convert to fraction form
    4,841.78/7,256.19 = 2,763.14/x
  3. Step 3: Cross multiply
    4,841.78x = 7,256.19 × 2,763.14
  4. Step 4: Simplify right side
    4,841.78x = 20,049,868.84
  5. Step 5: Solve for x
    x = 20,049,868.84/4,841.78
  6. Step 6: Final answer
    x = 4,141.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.