Home / 7,748.08-11,623.62-2,817.64

Finding the Fourth Proportional to 7,748.08, 11,623.62 and 2,817.64

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Solution

The fourth proportional to 7,748.08, 11,623.62 and 2,817.64 is: 4,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.08 : 11,623.62 = 2,817.64 : x
  2. Step 2: Convert to fraction form
    7,748.08/11,623.62 = 2,817.64/x
  3. Step 3: Cross multiply
    7,748.08x = 11,623.62 × 2,817.64
  4. Step 4: Simplify right side
    7,748.08x = 32,751,176.66
  5. Step 5: Solve for x
    x = 32,751,176.66/7,748.08
  6. Step 6: Final answer
    x = 4,227.01

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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.