Home / 4,380.40-6,569.76-3,654.64

Finding the Fourth Proportional to 4,380.40, 6,569.76 and 3,654.64

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Solution

The fourth proportional to 4,380.40, 6,569.76 and 3,654.64 is: 5,481.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.40 : 6,569.76 = 3,654.64 : x
  2. Step 2: Convert to fraction form
    4,380.40/6,569.76 = 3,654.64/x
  3. Step 3: Cross multiply
    4,380.40x = 6,569.76 × 3,654.64
  4. Step 4: Simplify right side
    4,380.40x = 24,010,107.69
  5. Step 5: Solve for x
    x = 24,010,107.69/4,380.40
  6. Step 6: Final answer
    x = 5,481.26

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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.