Home / 8,165.05-11,268.68-4,808.69

Finding the Fourth Proportional to 8,165.05, 11,268.68 and 4,808.69

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Solution

The fourth proportional to 8,165.05, 11,268.68 and 4,808.69 is: 6,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.05 : 11,268.68 = 4,808.69 : x
  2. Step 2: Convert to fraction form
    8,165.05/11,268.68 = 4,808.69/x
  3. Step 3: Cross multiply
    8,165.05x = 11,268.68 × 4,808.69
  4. Step 4: Simplify right side
    8,165.05x = 54,187,588.83
  5. Step 5: Solve for x
    x = 54,187,588.83/8,165.05
  6. Step 6: Final answer
    x = 6,636.53

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Half 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.