Home / 6,429.60-9,654.12-4,104.36

Finding the Fourth Proportional to 6,429.60, 9,654.12 and 4,104.36

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Solution

The fourth proportional to 6,429.60, 9,654.12 and 4,104.36 is: 6,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.60 : 9,654.12 = 4,104.36 : x
  2. Step 2: Convert to fraction form
    6,429.60/9,654.12 = 4,104.36/x
  3. Step 3: Cross multiply
    6,429.60x = 9,654.12 × 4,104.36
  4. Step 4: Simplify right side
    6,429.60x = 39,623,983.96
  5. Step 5: Solve for x
    x = 39,623,983.96/6,429.60
  6. Step 6: Final answer
    x = 6,162.74

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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.