Home / 6,286.38-9,430.78-2,390.48

Finding the Fourth Proportional to 6,286.38, 9,430.78 and 2,390.48

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Solution

The fourth proportional to 6,286.38, 9,430.78 and 2,390.48 is: 3,586.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.38 : 9,430.78 = 2,390.48 : x
  2. Step 2: Convert to fraction form
    6,286.38/9,430.78 = 2,390.48/x
  3. Step 3: Cross multiply
    6,286.38x = 9,430.78 × 2,390.48
  4. Step 4: Simplify right side
    6,286.38x = 22,544,090.97
  5. Step 5: Solve for x
    x = 22,544,090.97/6,286.38
  6. Step 6: Final answer
    x = 3,586.18

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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.