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Finding the Fourth Proportional to 8,647.34, 11,933.07 and 6,299.42

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Solution

The fourth proportional to 8,647.34, 11,933.07 and 6,299.42 is: 8,693.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647.34 : 11,933.07 = 6,299.42 : x
  2. Step 2: Convert to fraction form
    8,647.34/11,933.07 = 6,299.42/x
  3. Step 3: Cross multiply
    8,647.34x = 11,933.07 × 6,299.42
  4. Step 4: Simplify right side
    8,647.34x = 75,171,419.82
  5. Step 5: Solve for x
    x = 75,171,419.82/8,647.34
  6. Step 6: Final answer
    x = 8,693.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.