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Finding the Fourth Proportional to 4,994.69, 6,892.45 and 2,868.73

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Solution

The fourth proportional to 4,994.69, 6,892.45 and 2,868.73 is: 3,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.69 : 6,892.45 = 2,868.73 : x
  2. Step 2: Convert to fraction form
    4,994.69/6,892.45 = 2,868.73/x
  3. Step 3: Cross multiply
    4,994.69x = 6,892.45 × 2,868.73
  4. Step 4: Simplify right side
    4,994.69x = 19,772,529.28
  5. Step 5: Solve for x
    x = 19,772,529.28/4,994.69
  6. Step 6: Final answer
    x = 3,958.71

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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.