Home / 4,930.56-6,801.88-2,939.92

Finding the Fourth Proportional to 4,930.56, 6,801.88 and 2,939.92

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Solution

The fourth proportional to 4,930.56, 6,801.88 and 2,939.92 is: 4,055.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.56 : 6,801.88 = 2,939.92 : x
  2. Step 2: Convert to fraction form
    4,930.56/6,801.88 = 2,939.92/x
  3. Step 3: Cross multiply
    4,930.56x = 6,801.88 × 2,939.92
  4. Step 4: Simplify right side
    4,930.56x = 19,996,983.05
  5. Step 5: Solve for x
    x = 19,996,983.05/4,930.56
  6. Step 6: Final answer
    x = 4,055.72

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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.