Home / 4,579.84-6,872.55-1,657.90

Finding the Fourth Proportional to 4,579.84, 6,872.55 and 1,657.90

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Solution

The fourth proportional to 4,579.84, 6,872.55 and 1,657.90 is: 2,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.84 : 6,872.55 = 1,657.90 : x
  2. Step 2: Convert to fraction form
    4,579.84/6,872.55 = 1,657.90/x
  3. Step 3: Cross multiply
    4,579.84x = 6,872.55 × 1,657.90
  4. Step 4: Simplify right side
    4,579.84x = 11,394,000.65
  5. Step 5: Solve for x
    x = 11,394,000.65/4,579.84
  6. Step 6: Final answer
    x = 2,487.86

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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.