Home / 6,728.22-9,285.00-4,073.78

Finding the Fourth Proportional to 6,728.22, 9,285.00 and 4,073.78

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Solution

The fourth proportional to 6,728.22, 9,285.00 and 4,073.78 is: 5,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.22 : 9,285.00 = 4,073.78 : x
  2. Step 2: Convert to fraction form
    6,728.22/9,285.00 = 4,073.78/x
  3. Step 3: Cross multiply
    6,728.22x = 9,285.00 × 4,073.78
  4. Step 4: Simplify right side
    6,728.22x = 37,825,055.24
  5. Step 5: Solve for x
    x = 37,825,055.24/6,728.22
  6. Step 6: Final answer
    x = 5,621.85

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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.