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Finding the Fourth Proportional to 5,492.74, 8,239.20 and 3,027.10

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Solution

The fourth proportional to 5,492.74, 8,239.20 and 3,027.10 is: 4,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.74 : 8,239.20 = 3,027.10 : x
  2. Step 2: Convert to fraction form
    5,492.74/8,239.20 = 3,027.10/x
  3. Step 3: Cross multiply
    5,492.74x = 8,239.20 × 3,027.10
  4. Step 4: Simplify right side
    5,492.74x = 24,940,882.32
  5. Step 5: Solve for x
    x = 24,940,882.32/5,492.74
  6. Step 6: Final answer
    x = 4,540.70

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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.