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Finding the Fourth Proportional to 5,353.92, 8,029.68 and 2,578.92

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Solution

The fourth proportional to 5,353.92, 8,029.68 and 2,578.92 is: 3,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.92 : 8,029.68 = 2,578.92 : x
  2. Step 2: Convert to fraction form
    5,353.92/8,029.68 = 2,578.92/x
  3. Step 3: Cross multiply
    5,353.92x = 8,029.68 × 2,578.92
  4. Step 4: Simplify right side
    5,353.92x = 20,707,902.35
  5. Step 5: Solve for x
    x = 20,707,902.35/5,353.92
  6. Step 6: Final answer
    x = 3,867.80

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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.