Home / 4,259.72-6,392.68-2,181.46

Finding the Fourth Proportional to 4,259.72, 6,392.68 and 2,181.46

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Solution

The fourth proportional to 4,259.72, 6,392.68 and 2,181.46 is: 3,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.72 : 6,392.68 = 2,181.46 : x
  2. Step 2: Convert to fraction form
    4,259.72/6,392.68 = 2,181.46/x
  3. Step 3: Cross multiply
    4,259.72x = 6,392.68 × 2,181.46
  4. Step 4: Simplify right side
    4,259.72x = 13,945,354.28
  5. Step 5: Solve for x
    x = 13,945,354.28/4,259.72
  6. Step 6: Final answer
    x = 3,273.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.