Home / 7,235.10-9,984.39-4,091.28

Finding the Fourth Proportional to 7,235.10, 9,984.39 and 4,091.28

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Solution

The fourth proportional to 7,235.10, 9,984.39 and 4,091.28 is: 5,645.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.10 : 9,984.39 = 4,091.28 : x
  2. Step 2: Convert to fraction form
    7,235.10/9,984.39 = 4,091.28/x
  3. Step 3: Cross multiply
    7,235.10x = 9,984.39 × 4,091.28
  4. Step 4: Simplify right side
    7,235.10x = 40,848,935.12
  5. Step 5: Solve for x
    x = 40,848,935.12/7,235.10
  6. Step 6: Final answer
    x = 5,645.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.