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Finding the Fourth Proportional to 5,016.94, 6,923.11 and 2,778.78

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Solution

The fourth proportional to 5,016.94, 6,923.11 and 2,778.78 is: 3,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.94 : 6,923.11 = 2,778.78 : x
  2. Step 2: Convert to fraction form
    5,016.94/6,923.11 = 2,778.78/x
  3. Step 3: Cross multiply
    5,016.94x = 6,923.11 × 2,778.78
  4. Step 4: Simplify right side
    5,016.94x = 19,237,799.61
  5. Step 5: Solve for x
    x = 19,237,799.61/5,016.94
  6. Step 6: Final answer
    x = 3,834.57

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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.