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Finding the Fourth Proportional to 5,164.92, 7,750.08 and 2,245.28

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Solution

The fourth proportional to 5,164.92, 7,750.08 and 2,245.28 is: 3,369.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.92 : 7,750.08 = 2,245.28 : x
  2. Step 2: Convert to fraction form
    5,164.92/7,750.08 = 2,245.28/x
  3. Step 3: Cross multiply
    5,164.92x = 7,750.08 × 2,245.28
  4. Step 4: Simplify right side
    5,164.92x = 17,401,099.62
  5. Step 5: Solve for x
    x = 17,401,099.62/5,164.92
  6. Step 6: Final answer
    x = 3,369.09

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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.