Home / 4,919.09-7,377.04-1,631.30

Finding the Fourth Proportional to 4,919.09, 7,377.04 and 1,631.30

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Solution

The fourth proportional to 4,919.09, 7,377.04 and 1,631.30 is: 2,446.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.09 : 7,377.04 = 1,631.30 : x
  2. Step 2: Convert to fraction form
    4,919.09/7,377.04 = 1,631.30/x
  3. Step 3: Cross multiply
    4,919.09x = 7,377.04 × 1,631.30
  4. Step 4: Simplify right side
    4,919.09x = 12,034,124.39
  5. Step 5: Solve for x
    x = 12,034,124.39/4,919.09
  6. Step 6: Final answer
    x = 2,446.42

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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.