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Finding the Fourth Proportional to 4,455, 6,682.88 and 1,168.08

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Solution

The fourth proportional to 4,455, 6,682.88 and 1,168.08 is: 1,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455 : 6,682.88 = 1,168.08 : x
  2. Step 2: Convert to fraction form
    4,455/6,682.88 = 1,168.08/x
  3. Step 3: Cross multiply
    4,455x = 6,682.88 × 1,168.08
  4. Step 4: Simplify right side
    4,455x = 7,806,138.47
  5. Step 5: Solve for x
    x = 7,806,138.47/4,455
  6. Step 6: Final answer
    x = 1,752.22

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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.