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Finding the Fourth Proportional to 4,791.54, 7,188.52 and 2,599.68

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Solution

The fourth proportional to 4,791.54, 7,188.52 and 2,599.68 is: 3,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.54 : 7,188.52 = 2,599.68 : x
  2. Step 2: Convert to fraction form
    4,791.54/7,188.52 = 2,599.68/x
  3. Step 3: Cross multiply
    4,791.54x = 7,188.52 × 2,599.68
  4. Step 4: Simplify right side
    4,791.54x = 18,687,851.67
  5. Step 5: Solve for x
    x = 18,687,851.67/4,791.54
  6. Step 6: Final answer
    x = 3,900.18

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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.