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Finding the Fourth Proportional to 4,671, 7,010.46 and 2,720.52

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Solution

The fourth proportional to 4,671, 7,010.46 and 2,720.52 is: 4,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671 : 7,010.46 = 2,720.52 : x
  2. Step 2: Convert to fraction form
    4,671/7,010.46 = 2,720.52/x
  3. Step 3: Cross multiply
    4,671x = 7,010.46 × 2,720.52
  4. Step 4: Simplify right side
    4,671x = 19,072,096.64
  5. Step 5: Solve for x
    x = 19,072,096.64/4,671
  6. Step 6: Final answer
    x = 4,083.09

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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.