Home / 6,765.75-9,336.71-3,781.50

Finding the Fourth Proportional to 6,765.75, 9,336.71 and 3,781.50

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Solution

The fourth proportional to 6,765.75, 9,336.71 and 3,781.50 is: 5,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.75 : 9,336.71 = 3,781.50 : x
  2. Step 2: Convert to fraction form
    6,765.75/9,336.71 = 3,781.50/x
  3. Step 3: Cross multiply
    6,765.75x = 9,336.71 × 3,781.50
  4. Step 4: Simplify right side
    6,765.75x = 35,306,749.96
  5. Step 5: Solve for x
    x = 35,306,749.96/6,765.75
  6. Step 6: Final answer
    x = 5,218.45

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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.