Home / 6,746.88-9,308.25-3,912.69

Finding the Fourth Proportional to 6,746.88, 9,308.25 and 3,912.69

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Solution

The fourth proportional to 6,746.88, 9,308.25 and 3,912.69 is: 5,398.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.88 : 9,308.25 = 3,912.69 : x
  2. Step 2: Convert to fraction form
    6,746.88/9,308.25 = 3,912.69/x
  3. Step 3: Cross multiply
    6,746.88x = 9,308.25 × 3,912.69
  4. Step 4: Simplify right side
    6,746.88x = 36,420,296.69
  5. Step 5: Solve for x
    x = 36,420,296.69/6,746.88
  6. Step 6: Final answer
    x = 5,398.09

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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.