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Finding the Fourth Proportional to 8,003.36, 12,010.95 and 3,845.78

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Solution

The fourth proportional to 8,003.36, 12,010.95 and 3,845.78 is: 5,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.36 : 12,010.95 = 3,845.78 : x
  2. Step 2: Convert to fraction form
    8,003.36/12,010.95 = 3,845.78/x
  3. Step 3: Cross multiply
    8,003.36x = 12,010.95 × 3,845.78
  4. Step 4: Simplify right side
    8,003.36x = 46,191,471.29
  5. Step 5: Solve for x
    x = 46,191,471.29/8,003.36
  6. Step 6: Final answer
    x = 5,771.51

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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.