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Finding the Fourth Proportional to 4,488.88, 6,730.88 and 2,411.36

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Solution

The fourth proportional to 4,488.88, 6,730.88 and 2,411.36 is: 3,615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,488.88 : 6,730.88 = 2,411.36 : x
  2. Step 2: Convert to fraction form
    4,488.88/6,730.88 = 2,411.36/x
  3. Step 3: Cross multiply
    4,488.88x = 6,730.88 × 2,411.36
  4. Step 4: Simplify right side
    4,488.88x = 16,230,574.80
  5. Step 5: Solve for x
    x = 16,230,574.80/4,488.88
  6. Step 6: Final answer
    x = 3,615.73

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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.