Home / 7,241.13-9,992.60-4,097.32

Finding the Fourth Proportional to 7,241.13, 9,992.60 and 4,097.32

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Solution

The fourth proportional to 7,241.13, 9,992.60 and 4,097.32 is: 5,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.13 : 9,992.60 = 4,097.32 : x
  2. Step 2: Convert to fraction form
    7,241.13/9,992.60 = 4,097.32/x
  3. Step 3: Cross multiply
    7,241.13x = 9,992.60 × 4,097.32
  4. Step 4: Simplify right side
    7,241.13x = 40,942,849.73
  5. Step 5: Solve for x
    x = 40,942,849.73/7,241.13
  6. Step 6: Final answer
    x = 5,654.21

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1.5x scale

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.