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Finding the Fourth Proportional to 4,708.63, 7,064.11 and 3,324.68

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Solution

The fourth proportional to 4,708.63, 7,064.11 and 3,324.68 is: 4,987.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708.63 : 7,064.11 = 3,324.68 : x
  2. Step 2: Convert to fraction form
    4,708.63/7,064.11 = 3,324.68/x
  3. Step 3: Cross multiply
    4,708.63x = 7,064.11 × 3,324.68
  4. Step 4: Simplify right side
    4,708.63x = 23,485,900.56
  5. Step 5: Solve for x
    x = 23,485,900.56/4,708.63
  6. Step 6: Final answer
    x = 4,987.84

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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.