Home / 6,764.70-9,335.33-3,780.66

Finding the Fourth Proportional to 6,764.70, 9,335.33 and 3,780.66

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Solution

The fourth proportional to 6,764.70, 9,335.33 and 3,780.66 is: 5,217.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.70 : 9,335.33 = 3,780.66 : x
  2. Step 2: Convert to fraction form
    6,764.70/9,335.33 = 3,780.66/x
  3. Step 3: Cross multiply
    6,764.70x = 9,335.33 × 3,780.66
  4. Step 4: Simplify right side
    6,764.70x = 35,293,708.72
  5. Step 5: Solve for x
    x = 35,293,708.72/6,764.70
  6. Step 6: Final answer
    x = 5,217.34

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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.