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Finding the Fourth Proportional to 9,313.81, 13,971.33 and 3,468.44

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Solution

The fourth proportional to 9,313.81, 13,971.33 and 3,468.44 is: 5,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.81 : 13,971.33 = 3,468.44 : x
  2. Step 2: Convert to fraction form
    9,313.81/13,971.33 = 3,468.44/x
  3. Step 3: Cross multiply
    9,313.81x = 13,971.33 × 3,468.44
  4. Step 4: Simplify right side
    9,313.81x = 48,458,754.75
  5. Step 5: Solve for x
    x = 48,458,754.75/9,313.81
  6. Step 6: Final answer
    x = 5,202.89

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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.