Home / 7,333.14-10,999.80-2,139.24

Finding the Fourth Proportional to 7,333.14, 10,999.80 and 2,139.24

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Solution

The fourth proportional to 7,333.14, 10,999.80 and 2,139.24 is: 3,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.14 : 10,999.80 = 2,139.24 : x
  2. Step 2: Convert to fraction form
    7,333.14/10,999.80 = 2,139.24/x
  3. Step 3: Cross multiply
    7,333.14x = 10,999.80 × 2,139.24
  4. Step 4: Simplify right side
    7,333.14x = 23,531,212.15
  5. Step 5: Solve for x
    x = 23,531,212.15/7,333.14
  6. Step 6: Final answer
    x = 3,208.89

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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.