Home / 8,001.31-11,999.88-3,322.63

Finding the Fourth Proportional to 8,001.31, 11,999.88 and 3,322.63

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Solution

The fourth proportional to 8,001.31, 11,999.88 and 3,322.63 is: 4,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.31 : 11,999.88 = 3,322.63 : x
  2. Step 2: Convert to fraction form
    8,001.31/11,999.88 = 3,322.63/x
  3. Step 3: Cross multiply
    8,001.31x = 11,999.88 × 3,322.63
  4. Step 4: Simplify right side
    8,001.31x = 39,871,161.28
  5. Step 5: Solve for x
    x = 39,871,161.28/8,001.31
  6. Step 6: Final answer
    x = 4,983.08

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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.