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Finding the Fourth Proportional to 4,604.69, 6,355.07 and 2,811.79

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Solution

The fourth proportional to 4,604.69, 6,355.07 and 2,811.79 is: 3,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,604.69 : 6,355.07 = 2,811.79 : x
  2. Step 2: Convert to fraction form
    4,604.69/6,355.07 = 2,811.79/x
  3. Step 3: Cross multiply
    4,604.69x = 6,355.07 × 2,811.79
  4. Step 4: Simplify right side
    4,604.69x = 17,869,113.42
  5. Step 5: Solve for x
    x = 17,869,113.42/4,604.69
  6. Step 6: Final answer
    x = 3,880.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.