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Finding the Fourth Proportional to 5,333.09, 7,999.99 and 2,991.33

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Solution

The fourth proportional to 5,333.09, 7,999.99 and 2,991.33 is: 4,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.09 : 7,999.99 = 2,991.33 : x
  2. Step 2: Convert to fraction form
    5,333.09/7,999.99 = 2,991.33/x
  3. Step 3: Cross multiply
    5,333.09x = 7,999.99 × 2,991.33
  4. Step 4: Simplify right side
    5,333.09x = 23,930,602.61
  5. Step 5: Solve for x
    x = 23,930,602.61/5,333.09
  6. Step 6: Final answer
    x = 4,487.20

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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.