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Finding the Fourth Proportional to 8,010.29, 11,991.78 and 5,916.39

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Solution

The fourth proportional to 8,010.29, 11,991.78 and 5,916.39 is: 8,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.29 : 11,991.78 = 5,916.39 : x
  2. Step 2: Convert to fraction form
    8,010.29/11,991.78 = 5,916.39/x
  3. Step 3: Cross multiply
    8,010.29x = 11,991.78 × 5,916.39
  4. Step 4: Simplify right side
    8,010.29x = 70,948,017.69
  5. Step 5: Solve for x
    x = 70,948,017.69/8,010.29
  6. Step 6: Final answer
    x = 8,857.11

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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.