Home / 3,961.66-5,459.95-3,508.09

Finding the Fourth Proportional to 3,961.66, 5,459.95 and 3,508.09

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Solution

The fourth proportional to 3,961.66, 5,459.95 and 3,508.09 is: 4,834.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.66 : 5,459.95 = 3,508.09 : x
  2. Step 2: Convert to fraction form
    3,961.66/5,459.95 = 3,508.09/x
  3. Step 3: Cross multiply
    3,961.66x = 5,459.95 × 3,508.09
  4. Step 4: Simplify right side
    3,961.66x = 19,153,996.97
  5. Step 5: Solve for x
    x = 19,153,996.97/3,961.66
  6. Step 6: Final answer
    x = 4,834.84

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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.