Home / 9,178.07-13,760.37-2,934.50

Finding the Fourth Proportional to 9,178.07, 13,760.37 and 2,934.50

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Solution

The fourth proportional to 9,178.07, 13,760.37 and 2,934.50 is: 4,399.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.07 : 13,760.37 = 2,934.50 : x
  2. Step 2: Convert to fraction form
    9,178.07/13,760.37 = 2,934.50/x
  3. Step 3: Cross multiply
    9,178.07x = 13,760.37 × 2,934.50
  4. Step 4: Simplify right side
    9,178.07x = 40,379,736.96
  5. Step 5: Solve for x
    x = 40,379,736.96/9,178.07
  6. Step 6: Final answer
    x = 4,399.59

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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.