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Finding the Fourth Proportional to 4,799.86, 6,623.85 and 2,675.32

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Solution

The fourth proportional to 4,799.86, 6,623.85 and 2,675.32 is: 3,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.86 : 6,623.85 = 2,675.32 : x
  2. Step 2: Convert to fraction form
    4,799.86/6,623.85 = 2,675.32/x
  3. Step 3: Cross multiply
    4,799.86x = 6,623.85 × 2,675.32
  4. Step 4: Simplify right side
    4,799.86x = 17,720,871.89
  5. Step 5: Solve for x
    x = 17,720,871.89/4,799.86
  6. Step 6: Final answer
    x = 3,691.96

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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.