Home / 6,764.65-9,335.06-3,781.07

Finding the Fourth Proportional to 6,764.65, 9,335.06 and 3,781.07

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Solution

The fourth proportional to 6,764.65, 9,335.06 and 3,781.07 is: 5,217.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.65 : 9,335.06 = 3,781.07 : x
  2. Step 2: Convert to fraction form
    6,764.65/9,335.06 = 3,781.07/x
  3. Step 3: Cross multiply
    6,764.65x = 9,335.06 × 3,781.07
  4. Step 4: Simplify right side
    6,764.65x = 35,296,468.64
  5. Step 5: Solve for x
    x = 35,296,468.64/6,764.65
  6. Step 6: Final answer
    x = 5,217.78

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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.