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Finding the Fourth Proportional to 6,800.03, 9,383.42 and 3,815.32

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Solution

The fourth proportional to 6,800.03, 9,383.42 and 3,815.32 is: 5,264.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.03 : 9,383.42 = 3,815.32 : x
  2. Step 2: Convert to fraction form
    6,800.03/9,383.42 = 3,815.32/x
  3. Step 3: Cross multiply
    6,800.03x = 9,383.42 × 3,815.32
  4. Step 4: Simplify right side
    6,800.03x = 35,800,742.94
  5. Step 5: Solve for x
    x = 35,800,742.94/6,800.03
  6. Step 6: Final answer
    x = 5,264.79

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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.