Home / 7,187.61-10,784.97-3,241.59

Finding the Fourth Proportional to 7,187.61, 10,784.97 and 3,241.59

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Solution

The fourth proportional to 7,187.61, 10,784.97 and 3,241.59 is: 4,863.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.61 : 10,784.97 = 3,241.59 : x
  2. Step 2: Convert to fraction form
    7,187.61/10,784.97 = 3,241.59/x
  3. Step 3: Cross multiply
    7,187.61x = 10,784.97 × 3,241.59
  4. Step 4: Simplify right side
    7,187.61x = 34,960,450.90
  5. Step 5: Solve for x
    x = 34,960,450.90/7,187.61
  6. Step 6: Final answer
    x = 4,863.99

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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.