Home / 6,391.14-9,586.09-2,230.39

Finding the Fourth Proportional to 6,391.14, 9,586.09 and 2,230.39

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Solution

The fourth proportional to 6,391.14, 9,586.09 and 2,230.39 is: 3,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.14 : 9,586.09 = 2,230.39 : x
  2. Step 2: Convert to fraction form
    6,391.14/9,586.09 = 2,230.39/x
  3. Step 3: Cross multiply
    6,391.14x = 9,586.09 × 2,230.39
  4. Step 4: Simplify right side
    6,391.14x = 21,380,719.28
  5. Step 5: Solve for x
    x = 21,380,719.28/6,391.14
  6. Step 6: Final answer
    x = 3,345.37

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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.