Home / 8,269.07-11,408.73-4,731.60

Finding the Fourth Proportional to 8,269.07, 11,408.73 and 4,731.60

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Solution

The fourth proportional to 8,269.07, 11,408.73 and 4,731.60 is: 6,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.07 : 11,408.73 = 4,731.60 : x
  2. Step 2: Convert to fraction form
    8,269.07/11,408.73 = 4,731.60/x
  3. Step 3: Cross multiply
    8,269.07x = 11,408.73 × 4,731.60
  4. Step 4: Simplify right side
    8,269.07x = 53,981,546.87
  5. Step 5: Solve for x
    x = 53,981,546.87/8,269.07
  6. Step 6: Final answer
    x = 6,528.13

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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.