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Finding the Fourth Proportional to 5,845.54, 8,765.06 and 1,947.82

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Solution

The fourth proportional to 5,845.54, 8,765.06 and 1,947.82 is: 2,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.54 : 8,765.06 = 1,947.82 : x
  2. Step 2: Convert to fraction form
    5,845.54/8,765.06 = 1,947.82/x
  3. Step 3: Cross multiply
    5,845.54x = 8,765.06 × 1,947.82
  4. Step 4: Simplify right side
    5,845.54x = 17,072,759.17
  5. Step 5: Solve for x
    x = 17,072,759.17/5,845.54
  6. Step 6: Final answer
    x = 2,920.65

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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.