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Finding the Fourth Proportional to 4,652.27, 6,978.41 and 1,729.79

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Solution

The fourth proportional to 4,652.27, 6,978.41 and 1,729.79 is: 2,594.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652.27 : 6,978.41 = 1,729.79 : x
  2. Step 2: Convert to fraction form
    4,652.27/6,978.41 = 1,729.79/x
  3. Step 3: Cross multiply
    4,652.27x = 6,978.41 × 1,729.79
  4. Step 4: Simplify right side
    4,652.27x = 12,071,175.18
  5. Step 5: Solve for x
    x = 12,071,175.18/4,652.27
  6. Step 6: Final answer
    x = 2,594.69

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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.