Home / 9,103.30-13,654.36-3,179.76

Finding the Fourth Proportional to 9,103.30, 13,654.36 and 3,179.76

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Solution

The fourth proportional to 9,103.30, 13,654.36 and 3,179.76 is: 4,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.30 : 13,654.36 = 3,179.76 : x
  2. Step 2: Convert to fraction form
    9,103.30/13,654.36 = 3,179.76/x
  3. Step 3: Cross multiply
    9,103.30x = 13,654.36 × 3,179.76
  4. Step 4: Simplify right side
    9,103.30x = 43,417,587.75
  5. Step 5: Solve for x
    x = 43,417,587.75/9,103.30
  6. Step 6: Final answer
    x = 4,769.43

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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.