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Finding the Fourth Proportional to 7,168.44, 10,752.63 and 2,788.95

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Solution

The fourth proportional to 7,168.44, 10,752.63 and 2,788.95 is: 4,183.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.44 : 10,752.63 = 2,788.95 : x
  2. Step 2: Convert to fraction form
    7,168.44/10,752.63 = 2,788.95/x
  3. Step 3: Cross multiply
    7,168.44x = 10,752.63 × 2,788.95
  4. Step 4: Simplify right side
    7,168.44x = 29,988,547.44
  5. Step 5: Solve for x
    x = 29,988,547.44/7,168.44
  6. Step 6: Final answer
    x = 4,183.41

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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.