Home / 6,782.89-9,360.05-3,757.85

Finding the Fourth Proportional to 6,782.89, 9,360.05 and 3,757.85

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Solution

The fourth proportional to 6,782.89, 9,360.05 and 3,757.85 is: 5,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782.89 : 9,360.05 = 3,757.85 : x
  2. Step 2: Convert to fraction form
    6,782.89/9,360.05 = 3,757.85/x
  3. Step 3: Cross multiply
    6,782.89x = 9,360.05 × 3,757.85
  4. Step 4: Simplify right side
    6,782.89x = 35,173,663.89
  5. Step 5: Solve for x
    x = 35,173,663.89/6,782.89
  6. Step 6: Final answer
    x = 5,185.65

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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.