Home / 4,857.67-7,293.79-2,780.02

Finding the Fourth Proportional to 4,857.67, 7,293.79 and 2,780.02

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Solution

The fourth proportional to 4,857.67, 7,293.79 and 2,780.02 is: 4,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.67 : 7,293.79 = 2,780.02 : x
  2. Step 2: Convert to fraction form
    4,857.67/7,293.79 = 2,780.02/x
  3. Step 3: Cross multiply
    4,857.67x = 7,293.79 × 2,780.02
  4. Step 4: Simplify right side
    4,857.67x = 20,276,838.66
  5. Step 5: Solve for x
    x = 20,276,838.66/4,857.67
  6. Step 6: Final answer
    x = 4,174.19

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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.