Home / 7,853.28-11,776.91-3,171.66

Finding the Fourth Proportional to 7,853.28, 11,776.91 and 3,171.66

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Solution

The fourth proportional to 7,853.28, 11,776.91 and 3,171.66 is: 4,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.28 : 11,776.91 = 3,171.66 : x
  2. Step 2: Convert to fraction form
    7,853.28/11,776.91 = 3,171.66/x
  3. Step 3: Cross multiply
    7,853.28x = 11,776.91 × 3,171.66
  4. Step 4: Simplify right side
    7,853.28x = 37,352,338.51
  5. Step 5: Solve for x
    x = 37,352,338.51/7,853.28
  6. Step 6: Final answer
    x = 4,756.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.