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Finding the Fourth Proportional to 4,687.68, 6,469.08 and 2,698.88

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Solution

The fourth proportional to 4,687.68, 6,469.08 and 2,698.88 is: 3,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.68 : 6,469.08 = 2,698.88 : x
  2. Step 2: Convert to fraction form
    4,687.68/6,469.08 = 2,698.88/x
  3. Step 3: Cross multiply
    4,687.68x = 6,469.08 × 2,698.88
  4. Step 4: Simplify right side
    4,687.68x = 17,459,270.63
  5. Step 5: Solve for x
    x = 17,459,270.63/4,687.68
  6. Step 6: Final answer
    x = 3,724.50

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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.