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Finding the Fourth Proportional to 4,225.68, 6,338.16 and 1,147.68

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Solution

The fourth proportional to 4,225.68, 6,338.16 and 1,147.68 is: 1,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.68 : 6,338.16 = 1,147.68 : x
  2. Step 2: Convert to fraction form
    4,225.68/6,338.16 = 1,147.68/x
  3. Step 3: Cross multiply
    4,225.68x = 6,338.16 × 1,147.68
  4. Step 4: Simplify right side
    4,225.68x = 7,274,179.47
  5. Step 5: Solve for x
    x = 7,274,179.47/4,225.68
  6. Step 6: Final answer
    x = 1,721.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.