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Finding the Fourth Proportional to 4,808.77, 6,636.47 and 2,684.68

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Solution

The fourth proportional to 4,808.77, 6,636.47 and 2,684.68 is: 3,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.77 : 6,636.47 = 2,684.68 : x
  2. Step 2: Convert to fraction form
    4,808.77/6,636.47 = 2,684.68/x
  3. Step 3: Cross multiply
    4,808.77x = 6,636.47 × 2,684.68
  4. Step 4: Simplify right side
    4,808.77x = 17,816,768.27
  5. Step 5: Solve for x
    x = 17,816,768.27/4,808.77
  6. Step 6: Final answer
    x = 3,705.06

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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.