Home / 6,780.02-9,356.32-3,754.85

Finding the Fourth Proportional to 6,780.02, 9,356.32 and 3,754.85

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Solution

The fourth proportional to 6,780.02, 9,356.32 and 3,754.85 is: 5,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.02 : 9,356.32 = 3,754.85 : x
  2. Step 2: Convert to fraction form
    6,780.02/9,356.32 = 3,754.85/x
  3. Step 3: Cross multiply
    6,780.02x = 9,356.32 × 3,754.85
  4. Step 4: Simplify right side
    6,780.02x = 35,131,571.15
  5. Step 5: Solve for x
    x = 35,131,571.15/6,780.02
  6. Step 6: Final answer
    x = 5,181.64

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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.