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Finding the Fourth Proportional to 7,604.10, 11,403.24 and 3,654.25

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Solution

The fourth proportional to 7,604.10, 11,403.24 and 3,654.25 is: 5,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,604.10 : 11,403.24 = 3,654.25 : x
  2. Step 2: Convert to fraction form
    7,604.10/11,403.24 = 3,654.25/x
  3. Step 3: Cross multiply
    7,604.10x = 11,403.24 × 3,654.25
  4. Step 4: Simplify right side
    7,604.10x = 41,670,289.77
  5. Step 5: Solve for x
    x = 41,670,289.77/7,604.10
  6. Step 6: Final answer
    x = 5,479.98

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1.5x scale

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.