Home / 6,825.32-9,418.70-3,840.97

Finding the Fourth Proportional to 6,825.32, 9,418.70 and 3,840.97

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Solution

The fourth proportional to 6,825.32, 9,418.70 and 3,840.97 is: 5,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,825.32 : 9,418.70 = 3,840.97 : x
  2. Step 2: Convert to fraction form
    6,825.32/9,418.70 = 3,840.97/x
  3. Step 3: Cross multiply
    6,825.32x = 9,418.70 × 3,840.97
  4. Step 4: Simplify right side
    6,825.32x = 36,176,944.14
  5. Step 5: Solve for x
    x = 36,176,944.14/6,825.32
  6. Step 6: Final answer
    x = 5,300.41

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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.