Home / 9,178.25-13,768.28-2,936.69

Finding the Fourth Proportional to 9,178.25, 13,768.28 and 2,936.69

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Solution

The fourth proportional to 9,178.25, 13,768.28 and 2,936.69 is: 4,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.25 : 13,768.28 = 2,936.69 : x
  2. Step 2: Convert to fraction form
    9,178.25/13,768.28 = 2,936.69/x
  3. Step 3: Cross multiply
    9,178.25x = 13,768.28 × 2,936.69
  4. Step 4: Simplify right side
    9,178.25x = 40,433,086.67
  5. Step 5: Solve for x
    x = 40,433,086.67/9,178.25
  6. Step 6: Final answer
    x = 4,405.32

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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.