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Finding the Fourth Proportional to 4,399, 6,066.78 and 2,627.56

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Solution

The fourth proportional to 4,399, 6,066.78 and 2,627.56 is: 3,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399 : 6,066.78 = 2,627.56 : x
  2. Step 2: Convert to fraction form
    4,399/6,066.78 = 2,627.56/x
  3. Step 3: Cross multiply
    4,399x = 6,066.78 × 2,627.56
  4. Step 4: Simplify right side
    4,399x = 15,940,828.46
  5. Step 5: Solve for x
    x = 15,940,828.46/4,399
  6. Step 6: Final answer
    x = 3,623.74

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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.