Home / 4,992.20-6,889.14-2,754.29

Finding the Fourth Proportional to 4,992.20, 6,889.14 and 2,754.29

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Solution

The fourth proportional to 4,992.20, 6,889.14 and 2,754.29 is: 3,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.20 : 6,889.14 = 2,754.29 : x
  2. Step 2: Convert to fraction form
    4,992.20/6,889.14 = 2,754.29/x
  3. Step 3: Cross multiply
    4,992.20x = 6,889.14 × 2,754.29
  4. Step 4: Simplify right side
    4,992.20x = 18,974,654.96
  5. Step 5: Solve for x
    x = 18,974,654.96/4,992.20
  6. Step 6: Final answer
    x = 3,800.86

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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.