Home / 6,764.67-9,334.98-3,780.45

Finding the Fourth Proportional to 6,764.67, 9,334.98 and 3,780.45

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Solution

The fourth proportional to 6,764.67, 9,334.98 and 3,780.45 is: 5,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.67 : 9,334.98 = 3,780.45 : x
  2. Step 2: Convert to fraction form
    6,764.67/9,334.98 = 3,780.45/x
  3. Step 3: Cross multiply
    6,764.67x = 9,334.98 × 3,780.45
  4. Step 4: Simplify right side
    6,764.67x = 35,290,425.14
  5. Step 5: Solve for x
    x = 35,290,425.14/6,764.67
  6. Step 6: Final answer
    x = 5,216.87

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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.