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Finding the Fourth Proportional to 7,676.73, 10,593.90 and 4,319.73

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Solution

The fourth proportional to 7,676.73, 10,593.90 and 4,319.73 is: 5,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.73 : 10,593.90 = 4,319.73 : x
  2. Step 2: Convert to fraction form
    7,676.73/10,593.90 = 4,319.73/x
  3. Step 3: Cross multiply
    7,676.73x = 10,593.90 × 4,319.73
  4. Step 4: Simplify right side
    7,676.73x = 45,762,787.65
  5. Step 5: Solve for x
    x = 45,762,787.65/7,676.73
  6. Step 6: Final answer
    x = 5,961.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.