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Finding the Fourth Proportional to 7,137.14, 9,849.24 and 4,342.64

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Solution

The fourth proportional to 7,137.14, 9,849.24 and 4,342.64 is: 5,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.14 : 9,849.24 = 4,342.64 : x
  2. Step 2: Convert to fraction form
    7,137.14/9,849.24 = 4,342.64/x
  3. Step 3: Cross multiply
    7,137.14x = 9,849.24 × 4,342.64
  4. Step 4: Simplify right side
    7,137.14x = 42,771,703.59
  5. Step 5: Solve for x
    x = 42,771,703.59/7,137.14
  6. Step 6: Final answer
    x = 5,992.84

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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.