Home / 7,787.76-11,667.60-4,273.98

Finding the Fourth Proportional to 7,787.76, 11,667.60 and 4,273.98

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Solution

The fourth proportional to 7,787.76, 11,667.60 and 4,273.98 is: 6,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.76 : 11,667.60 = 4,273.98 : x
  2. Step 2: Convert to fraction form
    7,787.76/11,667.60 = 4,273.98/x
  3. Step 3: Cross multiply
    7,787.76x = 11,667.60 × 4,273.98
  4. Step 4: Simplify right side
    7,787.76x = 49,867,089.05
  5. Step 5: Solve for x
    x = 49,867,089.05/7,787.76
  6. Step 6: Final answer
    x = 6,403.26

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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.