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Finding the Fourth Proportional to 4,687.44, 6,468.88 and 2,799.60

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Solution

The fourth proportional to 4,687.44, 6,468.88 and 2,799.60 is: 3,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.44 : 6,468.88 = 2,799.60 : x
  2. Step 2: Convert to fraction form
    4,687.44/6,468.88 = 2,799.60/x
  3. Step 3: Cross multiply
    4,687.44x = 6,468.88 × 2,799.60
  4. Step 4: Simplify right side
    4,687.44x = 18,110,276.45
  5. Step 5: Solve for x
    x = 18,110,276.45/4,687.44
  6. Step 6: Final answer
    x = 3,863.58

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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.