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Finding the Fourth Proportional to 8,003.74, 11,999.10 and 3,003.31

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Solution

The fourth proportional to 8,003.74, 11,999.10 and 3,003.31 is: 4,502.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.74 : 11,999.10 = 3,003.31 : x
  2. Step 2: Convert to fraction form
    8,003.74/11,999.10 = 3,003.31/x
  3. Step 3: Cross multiply
    8,003.74x = 11,999.10 × 3,003.31
  4. Step 4: Simplify right side
    8,003.74x = 36,037,017.02
  5. Step 5: Solve for x
    x = 36,037,017.02/8,003.74
  6. Step 6: Final answer
    x = 4,502.52

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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.