Home / 4,270.71-6,408.50-2,810.55

Finding the Fourth Proportional to 4,270.71, 6,408.50 and 2,810.55

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Solution

The fourth proportional to 4,270.71, 6,408.50 and 2,810.55 is: 4,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.71 : 6,408.50 = 2,810.55 : x
  2. Step 2: Convert to fraction form
    4,270.71/6,408.50 = 2,810.55/x
  3. Step 3: Cross multiply
    4,270.71x = 6,408.50 × 2,810.55
  4. Step 4: Simplify right side
    4,270.71x = 18,011,395.62
  5. Step 5: Solve for x
    x = 18,011,395.62/4,270.71
  6. Step 6: Final answer
    x = 4,217.42

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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.