Home / 6,777.30-9,352.79-3,792.78

Finding the Fourth Proportional to 6,777.30, 9,352.79 and 3,792.78

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Solution

The fourth proportional to 6,777.30, 9,352.79 and 3,792.78 is: 5,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,777.30 : 9,352.79 = 3,792.78 : x
  2. Step 2: Convert to fraction form
    6,777.30/9,352.79 = 3,792.78/x
  3. Step 3: Cross multiply
    6,777.30x = 9,352.79 × 3,792.78
  4. Step 4: Simplify right side
    6,777.30x = 35,473,074.86
  5. Step 5: Solve for x
    x = 35,473,074.86/6,777.30
  6. Step 6: Final answer
    x = 5,234.10

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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.