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Finding the Fourth Proportional to 4,804.53, 6,629.97 and 2,787.79

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Solution

The fourth proportional to 4,804.53, 6,629.97 and 2,787.79 is: 3,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.53 : 6,629.97 = 2,787.79 : x
  2. Step 2: Convert to fraction form
    4,804.53/6,629.97 = 2,787.79/x
  3. Step 3: Cross multiply
    4,804.53x = 6,629.97 × 2,787.79
  4. Step 4: Simplify right side
    4,804.53x = 18,482,954.70
  5. Step 5: Solve for x
    x = 18,482,954.70/4,804.53
  6. Step 6: Final answer
    x = 3,846.98

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1.5x scale

Why These Related Problems?

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