Home / 4,939.70-7,394.43-4,620.02

Finding the Fourth Proportional to 4,939.70, 7,394.43 and 4,620.02

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Solution

The fourth proportional to 4,939.70, 7,394.43 and 4,620.02 is: 6,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.70 : 7,394.43 = 4,620.02 : x
  2. Step 2: Convert to fraction form
    4,939.70/7,394.43 = 4,620.02/x
  3. Step 3: Cross multiply
    4,939.70x = 7,394.43 × 4,620.02
  4. Step 4: Simplify right side
    4,939.70x = 34,162,414.49
  5. Step 5: Solve for x
    x = 34,162,414.49/4,939.70
  6. Step 6: Final answer
    x = 6,915.89

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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.