Home / 7,240.64-9,992.26-4,097

Finding the Fourth Proportional to 7,240.64, 9,992.26 and 4,097

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Solution

The fourth proportional to 7,240.64, 9,992.26 and 4,097 is: 5,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.64 : 9,992.26 = 4,097 : x
  2. Step 2: Convert to fraction form
    7,240.64/9,992.26 = 4,097/x
  3. Step 3: Cross multiply
    7,240.64x = 9,992.26 × 4,097
  4. Step 4: Simplify right side
    7,240.64x = 40,938,289.22
  5. Step 5: Solve for x
    x = 40,938,289.22/7,240.64
  6. Step 6: Final answer
    x = 5,653.96

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Why These Related Problems?

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