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Finding the Fourth Proportional to 4,984.76, 7,473.78 and 2,673.08

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Solution

The fourth proportional to 4,984.76, 7,473.78 and 2,673.08 is: 4,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.76 : 7,473.78 = 2,673.08 : x
  2. Step 2: Convert to fraction form
    4,984.76/7,473.78 = 2,673.08/x
  3. Step 3: Cross multiply
    4,984.76x = 7,473.78 × 2,673.08
  4. Step 4: Simplify right side
    4,984.76x = 19,978,011.84
  5. Step 5: Solve for x
    x = 19,978,011.84/4,984.76
  6. Step 6: Final answer
    x = 4,007.82

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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.