Home / 6,921.45-10,383.48-3,799.77

Finding the Fourth Proportional to 6,921.45, 10,383.48 and 3,799.77

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Solution

The fourth proportional to 6,921.45, 10,383.48 and 3,799.77 is: 5,700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.45 : 10,383.48 = 3,799.77 : x
  2. Step 2: Convert to fraction form
    6,921.45/10,383.48 = 3,799.77/x
  3. Step 3: Cross multiply
    6,921.45x = 10,383.48 × 3,799.77
  4. Step 4: Simplify right side
    6,921.45x = 39,454,835.80
  5. Step 5: Solve for x
    x = 39,454,835.80/6,921.45
  6. Step 6: Final answer
    x = 5,700.37

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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.