Home / 9,127.81-13,691.72-3,583.77

Finding the Fourth Proportional to 9,127.81, 13,691.72 and 3,583.77

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Solution

The fourth proportional to 9,127.81, 13,691.72 and 3,583.77 is: 5,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.81 : 13,691.72 = 3,583.77 : x
  2. Step 2: Convert to fraction form
    9,127.81/13,691.72 = 3,583.77/x
  3. Step 3: Cross multiply
    9,127.81x = 13,691.72 × 3,583.77
  4. Step 4: Simplify right side
    9,127.81x = 49,067,889.01
  5. Step 5: Solve for x
    x = 49,067,889.01/9,127.81
  6. Step 6: Final answer
    x = 5,375.65

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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.