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Finding the Fourth Proportional to 5,287.36, 7,933.62 and 2,169.67

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Solution

The fourth proportional to 5,287.36, 7,933.62 and 2,169.67 is: 3,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.36 : 7,933.62 = 2,169.67 : x
  2. Step 2: Convert to fraction form
    5,287.36/7,933.62 = 2,169.67/x
  3. Step 3: Cross multiply
    5,287.36x = 7,933.62 × 2,169.67
  4. Step 4: Simplify right side
    5,287.36x = 17,213,337.31
  5. Step 5: Solve for x
    x = 17,213,337.31/5,287.36
  6. Step 6: Final answer
    x = 3,255.56

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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.