Home / 6,765.58-9,336.30-3,781.75

Finding the Fourth Proportional to 6,765.58, 9,336.30 and 3,781.75

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Solution

The fourth proportional to 6,765.58, 9,336.30 and 3,781.75 is: 5,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.58 : 9,336.30 = 3,781.75 : x
  2. Step 2: Convert to fraction form
    6,765.58/9,336.30 = 3,781.75/x
  3. Step 3: Cross multiply
    6,765.58x = 9,336.30 × 3,781.75
  4. Step 4: Simplify right side
    6,765.58x = 35,307,552.53
  5. Step 5: Solve for x
    x = 35,307,552.53/6,765.58
  6. Step 6: Final answer
    x = 5,218.70

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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.