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Finding the Fourth Proportional to 4,979.35, 7,469.02 and 1,469.40

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Solution

The fourth proportional to 4,979.35, 7,469.02 and 1,469.40 is: 2,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.35 : 7,469.02 = 1,469.40 : x
  2. Step 2: Convert to fraction form
    4,979.35/7,469.02 = 1,469.40/x
  3. Step 3: Cross multiply
    4,979.35x = 7,469.02 × 1,469.40
  4. Step 4: Simplify right side
    4,979.35x = 10,975,006.40
  5. Step 5: Solve for x
    x = 10,975,006.40/4,979.35
  6. Step 6: Final answer
    x = 2,204.10

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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.