Home / 7,864.11-11,799.00-3,965.58

Finding the Fourth Proportional to 7,864.11, 11,799.00 and 3,965.58

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Solution

The fourth proportional to 7,864.11, 11,799.00 and 3,965.58 is: 5,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.11 : 11,799.00 = 3,965.58 : x
  2. Step 2: Convert to fraction form
    7,864.11/11,799.00 = 3,965.58/x
  3. Step 3: Cross multiply
    7,864.11x = 11,799.00 × 3,965.58
  4. Step 4: Simplify right side
    7,864.11x = 46,789,799.60
  5. Step 5: Solve for x
    x = 46,789,799.60/7,864.11
  6. Step 6: Final answer
    x = 5,949.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.