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Finding the Fourth Proportional to 5,045.88, 6,963.24 and 2,807.68

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Solution

The fourth proportional to 5,045.88, 6,963.24 and 2,807.68 is: 3,874.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.88 : 6,963.24 = 2,807.68 : x
  2. Step 2: Convert to fraction form
    5,045.88/6,963.24 = 2,807.68/x
  3. Step 3: Cross multiply
    5,045.88x = 6,963.24 × 2,807.68
  4. Step 4: Simplify right side
    5,045.88x = 19,550,549.68
  5. Step 5: Solve for x
    x = 19,550,549.68/5,045.88
  6. Step 6: Final answer
    x = 3,874.56

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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.