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Finding the Fourth Proportional to 6,631.88, 9,151.99 and 3,647.99

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Solution

The fourth proportional to 6,631.88, 9,151.99 and 3,647.99 is: 5,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.88 : 9,151.99 = 3,647.99 : x
  2. Step 2: Convert to fraction form
    6,631.88/9,151.99 = 3,647.99/x
  3. Step 3: Cross multiply
    6,631.88x = 9,151.99 × 3,647.99
  4. Step 4: Simplify right side
    6,631.88x = 33,386,330.28
  5. Step 5: Solve for x
    x = 33,386,330.28/6,631.88
  6. Step 6: Final answer
    x = 5,034.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.