Home / 6,825.60-10,231.74-3,702.78

Finding the Fourth Proportional to 6,825.60, 10,231.74 and 3,702.78

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Solution

The fourth proportional to 6,825.60, 10,231.74 and 3,702.78 is: 5,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,825.60 : 10,231.74 = 3,702.78 : x
  2. Step 2: Convert to fraction form
    6,825.60/10,231.74 = 3,702.78/x
  3. Step 3: Cross multiply
    6,825.60x = 10,231.74 × 3,702.78
  4. Step 4: Simplify right side
    6,825.60x = 37,885,882.24
  5. Step 5: Solve for x
    x = 37,885,882.24/6,825.60
  6. Step 6: Final answer
    x = 5,550.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.