Home / 8,147-11,245.42-4,834.36

Finding the Fourth Proportional to 8,147, 11,245.42 and 4,834.36

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Solution

The fourth proportional to 8,147, 11,245.42 and 4,834.36 is: 6,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147 : 11,245.42 = 4,834.36 : x
  2. Step 2: Convert to fraction form
    8,147/11,245.42 = 4,834.36/x
  3. Step 3: Cross multiply
    8,147x = 11,245.42 × 4,834.36
  4. Step 4: Simplify right side
    8,147x = 54,364,408.63
  5. Step 5: Solve for x
    x = 54,364,408.63/8,147
  6. Step 6: Final answer
    x = 6,672.94

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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.