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Finding the Fourth Proportional to 4,818, 6,648.88 and 2,722.64

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Solution

The fourth proportional to 4,818, 6,648.88 and 2,722.64 is: 3,757.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818 : 6,648.88 = 2,722.64 : x
  2. Step 2: Convert to fraction form
    4,818/6,648.88 = 2,722.64/x
  3. Step 3: Cross multiply
    4,818x = 6,648.88 × 2,722.64
  4. Step 4: Simplify right side
    4,818x = 18,102,506.64
  5. Step 5: Solve for x
    x = 18,102,506.64/4,818
  6. Step 6: Final answer
    x = 3,757.27

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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.