Home / 6,800.43-9,386.96-4,005.75

Finding the Fourth Proportional to 6,800.43, 9,386.96 and 4,005.75

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Solution

The fourth proportional to 6,800.43, 9,386.96 and 4,005.75 is: 5,529.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.43 : 9,386.96 = 4,005.75 : x
  2. Step 2: Convert to fraction form
    6,800.43/9,386.96 = 4,005.75/x
  3. Step 3: Cross multiply
    6,800.43x = 9,386.96 × 4,005.75
  4. Step 4: Simplify right side
    6,800.43x = 37,601,794.99
  5. Step 5: Solve for x
    x = 37,601,794.99/6,800.43
  6. Step 6: Final answer
    x = 5,529.33

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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.