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Finding the Fourth Proportional to 4,787, 6,606.06 and 2,691.14

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Solution

The fourth proportional to 4,787, 6,606.06 and 2,691.14 is: 3,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787 : 6,606.06 = 2,691.14 : x
  2. Step 2: Convert to fraction form
    4,787/6,606.06 = 2,691.14/x
  3. Step 3: Cross multiply
    4,787x = 6,606.06 × 2,691.14
  4. Step 4: Simplify right side
    4,787x = 17,777,832.31
  5. Step 5: Solve for x
    x = 17,777,832.31/4,787
  6. Step 6: Final answer
    x = 3,713.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.