Home / 4,579.70-6,871.35-1,805.90

Finding the Fourth Proportional to 4,579.70, 6,871.35 and 1,805.90

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Solution

The fourth proportional to 4,579.70, 6,871.35 and 1,805.90 is: 2,709.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.70 : 6,871.35 = 1,805.90 : x
  2. Step 2: Convert to fraction form
    4,579.70/6,871.35 = 1,805.90/x
  3. Step 3: Cross multiply
    4,579.70x = 6,871.35 × 1,805.90
  4. Step 4: Simplify right side
    4,579.70x = 12,408,970.97
  5. Step 5: Solve for x
    x = 12,408,970.97/4,579.70
  6. Step 6: Final answer
    x = 2,709.56

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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.