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Finding the Fourth Proportional to 4,808.92, 6,635.16 and 2,713.05

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Solution

The fourth proportional to 4,808.92, 6,635.16 and 2,713.05 is: 3,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.92 : 6,635.16 = 2,713.05 : x
  2. Step 2: Convert to fraction form
    4,808.92/6,635.16 = 2,713.05/x
  3. Step 3: Cross multiply
    4,808.92x = 6,635.16 × 2,713.05
  4. Step 4: Simplify right side
    4,808.92x = 18,001,520.84
  5. Step 5: Solve for x
    x = 18,001,520.84/4,808.92
  6. Step 6: Final answer
    x = 3,743.36

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Half scale
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Double scale
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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.