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Finding the Fourth Proportional to 4,734.63, 7,095.78 and 2,540.79

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Solution

The fourth proportional to 4,734.63, 7,095.78 and 2,540.79 is: 3,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,734.63 : 7,095.78 = 2,540.79 : x
  2. Step 2: Convert to fraction form
    4,734.63/7,095.78 = 2,540.79/x
  3. Step 3: Cross multiply
    4,734.63x = 7,095.78 × 2,540.79
  4. Step 4: Simplify right side
    4,734.63x = 18,028,886.87
  5. Step 5: Solve for x
    x = 18,028,886.87/4,734.63
  6. Step 6: Final answer
    x = 3,807.88

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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.