Home / 4,257.90-6,374.70-3,771.90

Finding the Fourth Proportional to 4,257.90, 6,374.70 and 3,771.90

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Solution

The fourth proportional to 4,257.90, 6,374.70 and 3,771.90 is: 5,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.90 : 6,374.70 = 3,771.90 : x
  2. Step 2: Convert to fraction form
    4,257.90/6,374.70 = 3,771.90/x
  3. Step 3: Cross multiply
    4,257.90x = 6,374.70 × 3,771.90
  4. Step 4: Simplify right side
    4,257.90x = 24,044,730.93
  5. Step 5: Solve for x
    x = 24,044,730.93/4,257.90
  6. Step 6: Final answer
    x = 5,647.09

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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.