Home / 6,761.85-9,330.69-3,777.62

Finding the Fourth Proportional to 6,761.85, 9,330.69 and 3,777.62

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Solution

The fourth proportional to 6,761.85, 9,330.69 and 3,777.62 is: 5,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.85 : 9,330.69 = 3,777.62 : x
  2. Step 2: Convert to fraction form
    6,761.85/9,330.69 = 3,777.62/x
  3. Step 3: Cross multiply
    6,761.85x = 9,330.69 × 3,777.62
  4. Step 4: Simplify right side
    6,761.85x = 35,247,801.16
  5. Step 5: Solve for x
    x = 35,247,801.16/6,761.85
  6. Step 6: Final answer
    x = 5,212.75

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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.