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Finding the Fourth Proportional to 6,278.80, 8,654.80 and 4,950.32

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Solution

The fourth proportional to 6,278.80, 8,654.80 and 4,950.32 is: 6,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.80 : 8,654.80 = 4,950.32 : x
  2. Step 2: Convert to fraction form
    6,278.80/8,654.80 = 4,950.32/x
  3. Step 3: Cross multiply
    6,278.80x = 8,654.80 × 4,950.32
  4. Step 4: Simplify right side
    6,278.80x = 42,844,029.54
  5. Step 5: Solve for x
    x = 42,844,029.54/6,278.80
  6. Step 6: Final answer
    x = 6,823.60

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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.