Home / 4,906.19-7,359.30-1,986.55

Finding the Fourth Proportional to 4,906.19, 7,359.30 and 1,986.55

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Solution

The fourth proportional to 4,906.19, 7,359.30 and 1,986.55 is: 2,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.19 : 7,359.30 = 1,986.55 : x
  2. Step 2: Convert to fraction form
    4,906.19/7,359.30 = 1,986.55/x
  3. Step 3: Cross multiply
    4,906.19x = 7,359.30 × 1,986.55
  4. Step 4: Simplify right side
    4,906.19x = 14,619,599.02
  5. Step 5: Solve for x
    x = 14,619,599.02/4,906.19
  6. Step 6: Final answer
    x = 2,979.83

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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.