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Finding the Fourth Proportional to 4,784.75, 7,179.17 and 2,012.04

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Solution

The fourth proportional to 4,784.75, 7,179.17 and 2,012.04 is: 3,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.75 : 7,179.17 = 2,012.04 : x
  2. Step 2: Convert to fraction form
    4,784.75/7,179.17 = 2,012.04/x
  3. Step 3: Cross multiply
    4,784.75x = 7,179.17 × 2,012.04
  4. Step 4: Simplify right side
    4,784.75x = 14,444,775.63
  5. Step 5: Solve for x
    x = 14,444,775.63/4,784.75
  6. Step 6: Final answer
    x = 3,018.92

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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.