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Finding the Fourth Proportional to 5,388.07, 8,082.07 and 3,697.78

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Solution

The fourth proportional to 5,388.07, 8,082.07 and 3,697.78 is: 5,546.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.07 : 8,082.07 = 3,697.78 : x
  2. Step 2: Convert to fraction form
    5,388.07/8,082.07 = 3,697.78/x
  3. Step 3: Cross multiply
    5,388.07x = 8,082.07 × 3,697.78
  4. Step 4: Simplify right side
    5,388.07x = 29,885,657.91
  5. Step 5: Solve for x
    x = 29,885,657.91/5,388.07
  6. Step 6: Final answer
    x = 5,546.64

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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.