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Finding the Fourth Proportional to 4,993.08, 6,890.34 and 2,754.87

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Solution

The fourth proportional to 4,993.08, 6,890.34 and 2,754.87 is: 3,801.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.08 : 6,890.34 = 2,754.87 : x
  2. Step 2: Convert to fraction form
    4,993.08/6,890.34 = 2,754.87/x
  3. Step 3: Cross multiply
    4,993.08x = 6,890.34 × 2,754.87
  4. Step 4: Simplify right side
    4,993.08x = 18,981,956.50
  5. Step 5: Solve for x
    x = 18,981,956.50/4,993.08
  6. Step 6: Final answer
    x = 3,801.66

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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.