Home / 7,844.72-11,763.62-3,685.91

Finding the Fourth Proportional to 7,844.72, 11,763.62 and 3,685.91

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Solution

The fourth proportional to 7,844.72, 11,763.62 and 3,685.91 is: 5,527.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.72 : 11,763.62 = 3,685.91 : x
  2. Step 2: Convert to fraction form
    7,844.72/11,763.62 = 3,685.91/x
  3. Step 3: Cross multiply
    7,844.72x = 11,763.62 × 3,685.91
  4. Step 4: Simplify right side
    7,844.72x = 43,359,644.59
  5. Step 5: Solve for x
    x = 43,359,644.59/7,844.72
  6. Step 6: Final answer
    x = 5,527.24

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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.