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Finding the Fourth Proportional to 4,986.36, 7,473.33 and 2,796.66

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Solution

The fourth proportional to 4,986.36, 7,473.33 and 2,796.66 is: 4,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.36 : 7,473.33 = 2,796.66 : x
  2. Step 2: Convert to fraction form
    4,986.36/7,473.33 = 2,796.66/x
  3. Step 3: Cross multiply
    4,986.36x = 7,473.33 × 2,796.66
  4. Step 4: Simplify right side
    4,986.36x = 20,900,363.08
  5. Step 5: Solve for x
    x = 20,900,363.08/4,986.36
  6. Step 6: Final answer
    x = 4,191.51

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1.5x scale

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.