Home / 6,392.89-9,585.82-2,231.78

Finding the Fourth Proportional to 6,392.89, 9,585.82 and 2,231.78

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Solution

The fourth proportional to 6,392.89, 9,585.82 and 2,231.78 is: 3,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392.89 : 9,585.82 = 2,231.78 : x
  2. Step 2: Convert to fraction form
    6,392.89/9,585.82 = 2,231.78/x
  3. Step 3: Cross multiply
    6,392.89x = 9,585.82 × 2,231.78
  4. Step 4: Simplify right side
    6,392.89x = 21,393,430.20
  5. Step 5: Solve for x
    x = 21,393,430.20/6,392.89
  6. Step 6: Final answer
    x = 3,346.44

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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.