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Finding the Fourth Proportional to 4,602.80, 6,900.64 and 2,262.08

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Solution

The fourth proportional to 4,602.80, 6,900.64 and 2,262.08 is: 3,391.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,602.80 : 6,900.64 = 2,262.08 : x
  2. Step 2: Convert to fraction form
    4,602.80/6,900.64 = 2,262.08/x
  3. Step 3: Cross multiply
    4,602.80x = 6,900.64 × 2,262.08
  4. Step 4: Simplify right side
    4,602.80x = 15,609,799.73
  5. Step 5: Solve for x
    x = 15,609,799.73/4,602.80
  6. Step 6: Final answer
    x = 3,391.37

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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.