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Finding the Fourth Proportional to 4,930, 6,801.36 and 3,253.28

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Solution

The fourth proportional to 4,930, 6,801.36 and 3,253.28 is: 4,488.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930 : 6,801.36 = 3,253.28 : x
  2. Step 2: Convert to fraction form
    4,930/6,801.36 = 3,253.28/x
  3. Step 3: Cross multiply
    4,930x = 6,801.36 × 3,253.28
  4. Step 4: Simplify right side
    4,930x = 22,126,728.46
  5. Step 5: Solve for x
    x = 22,126,728.46/4,930
  6. Step 6: Final answer
    x = 4,488.18

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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.