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Finding the Fourth Proportional to 5,353.62, 8,025.10 and 2,579.52

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Solution

The fourth proportional to 5,353.62, 8,025.10 and 2,579.52 is: 3,866.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.62 : 8,025.10 = 2,579.52 : x
  2. Step 2: Convert to fraction form
    5,353.62/8,025.10 = 2,579.52/x
  3. Step 3: Cross multiply
    5,353.62x = 8,025.10 × 2,579.52
  4. Step 4: Simplify right side
    5,353.62x = 20,700,905.95
  5. Step 5: Solve for x
    x = 20,700,905.95/5,353.62
  6. Step 6: Final answer
    x = 3,866.71

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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.