Home / 6,739.08-9,299.71-3,906.51

Finding the Fourth Proportional to 6,739.08, 9,299.71 and 3,906.51

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Solution

The fourth proportional to 6,739.08, 9,299.71 and 3,906.51 is: 5,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.08 : 9,299.71 = 3,906.51 : x
  2. Step 2: Convert to fraction form
    6,739.08/9,299.71 = 3,906.51/x
  3. Step 3: Cross multiply
    6,739.08x = 9,299.71 × 3,906.51
  4. Step 4: Simplify right side
    6,739.08x = 36,329,410.11
  5. Step 5: Solve for x
    x = 36,329,410.11/6,739.08
  6. Step 6: Final answer
    x = 5,390.86

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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.