Home / 5,262.48-7,880.85-3,408.03

Finding the Fourth Proportional to 5,262.48, 7,880.85 and 3,408.03

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Solution

The fourth proportional to 5,262.48, 7,880.85 and 3,408.03 is: 5,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.48 : 7,880.85 = 3,408.03 : x
  2. Step 2: Convert to fraction form
    5,262.48/7,880.85 = 3,408.03/x
  3. Step 3: Cross multiply
    5,262.48x = 7,880.85 × 3,408.03
  4. Step 4: Simplify right side
    5,262.48x = 26,858,173.23
  5. Step 5: Solve for x
    x = 26,858,173.23/5,262.48
  6. Step 6: Final answer
    x = 5,103.71

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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.